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The family of Sybrand Koopal. Back row: Martin and William. Front: Case, Tren, father Sybrand (Silas) Koopal and Anton. In right corner, mother Anna Koopal.
SYBRAND KOOPAL was born February 4, 1880, to Martin and Tryntje Koopal in Vrouwen Parochie, the Netherlands. He grew up in this area and worked as a farm hand. He met Anna DeBoer from Hylaard, the daughter of
Wybe Kornelis DeBoer and Rigtje (Jacobs) Vellinga, who was born August 5, 1881. Sybrand and Anna married on April 2, 1903. Four children were born while in the Netherlands: Martin, Wybe, Tryntje, Cornelius, and another son, Sjoerd,
was born at Platte, South Dakota. Sybrand served one year in the Holland army before moving his family to South Dakota in 1910 and settled in a small log cabin along Platte Creek in Hamilton Township.
About a year after living in South Dakota Anna died leaving
Sybrand with five children (eight years to one month of age).
After their mother’s death, Cornelius (Case) and Sjoerd
(Anton) were taken by Anna’s sister, Annie and her husband
Rein Talsma, to Matlock, Iowa. Later they were adopted by
Rein and Annie Talsma. Case kept the Koopal name but
Anton changed to Talsma. The boys grew to manhood there
and married girls from that area. Case later moved his family of three boys to Lyle, Minnesota. He and his wife have both
died there. Anton and his wife have one son and two
daughters and still live on their farm near Matlock, Iowa.
Martin (Mert), Wybe (William) and Tryntje (Tren or
Katherine) stayed with several families in the area
southwest of Platte until they grew up. Martin lived his entire
life in the Platte area. William never married and worked
at various jobs and is now retired in Boise, Idaho. Tren
married William Markus a carpenter from the New Holland,
South Dakota area. They lived in Todd County, South
Dakota; California; and Idaho and retired in Nampa, Idaho,
where William died. Tren and William had eight children
(five boys and three girls). Tren later married DeLoss Dunn
and still lives in Nampa.
Sybrand worked for Ben Wynia for a few years before
starting to farm on his own. In 1928 he bought land from Wm.
Jones in Signal Township and lived in a small schoolhouse on
this land the rest of his life. His son-in-law built a large barn
for him and that was the only other building on the farm. It
served as a horse barn, granary, chicken house, shop and
cow barn. I am sure he led a lonely life and loved to
have visitors, fall being the best time as there were always
goose hunters around. Always he had the coffee pot on and
very few hunters ever left without having a cup of coffee.
Sybrand died November 9, following a stroke in August 1954.
MARTIN (MERT) KOOPAL was born in Vrouwen Parochie, the Netherlands, to Sybrand and Anna (DeBoer) Koopal on August 23, 1903. He started school in Holland and at the age of seven came with his parents, and two brothers and one sister to the United States and they settled in a log
cabin along the Platte Creek southwest of Platte.
In 1911 his mother died and he went to stay with the
Martin Wynia family until he froze his feet and a horse
stepped on his toes. With a very sore foot he was sent back
home. After that he stayed at the Albert Hauzer home and
later with the Matt Huggs until he was fifteen years old. He
quit school then, after completing the sixth grade. Martin
went back home to farm with his father until April 12, 1928
when he married Jennie Dykema, daugther of John and
Grace (Hiemstra) Dykema. Martin started farming on the
Beltman Brothers ranch southwest of Platte. In February
1929 their son John was born there and the following year
they moved to a farm in Signal Township near the beginning
of Cedar Creek. A daughter, Anna, was born there in 1932.
In 1933 the Koopal family moved to the Kelly ranch three
miles west. These were the dirty 30’s and making a living
was pretty tough. Martin worked with the WPA building
dikes on the river near Wheeler and building the roads near
home. In 1935 they moved to a farm in Hamilton Township.
and in 1954 they moved northwest of Platte to farm and
to take care of Jennie’s father. Two daughters, Berniece and
Helen, were born to Martin and Anna while living in
Hamilton Township. Martin caught whooping cough when
his children were ill and suffered asthma the rest of his
life. He liked to play ball and was a pretty fair left handed
pitcher until the whooping cough bout. He farmed with his
son from 1954 until 1968 when he sold his share of the farm in
Hamilton Township to his son John.
Martin (Mert) and Jennie Koopal’s children are: John
married Gloria Steckley, daughter of Adolph and Elsie
(Drury) Steckley of Geddes, South Dakota, in 1954 and their
three children are Rhonda, Tim and Sandra. Anna married
Eugene Vanderheiden, son of Emil and Anna (Pekoske)
Vanderheiden, on June 1, 1951 and they have one son Allen.
Berniece married James Wesseling, son of Mr. and Mrs.
Harold Wesseling of New Holland, South DakotaÄn 1954 and
their children are Carmen, Brenda, Lorna, and Mike. Helen
married Harlin Mesman, son of Mr. and Mrs. John Mesman,
in 1960 and their children are Donna, Dale, Darrin and Darla.
John, Anna, and Helen all live in the Platte area and
Berniece lives at Chamberlain.
Martin (Mert) died March 25, 1970 with complications of
asthma, emphysema and a heart condition.
JOHN SYBRAND KOOPAL was born to Martin and
Jennie (Dykema) Koopal on February 25, 1929,
on the ranch now owned by C. F. Wynia. John grew up on the farm he now
owns. Money was scarce in the early years of his life and he
remembers running barefoot during the summer and then
starting school with new shoes in the fall. It was fun to run in
the fine silt that blew into the fence rows but he almost
burned his feet in the hot dirt. After eight years of school in
the schoolhouse on the corner, John went to work helping his
Dad and neighbors when they needed help. In 1951 he joined
the United States Marines and served as a mechanic in Japan
and Korea. After returning home he farmed the home place,
living on this farm since 1935. John married Gloria Steckley,
daughter of Adolph and Elsie (Drury) Steckley, in 1954 and they have raised their family on this farm.
Rhonda was bornMarch 9, 1955, and completed all of her grade school in same school as her Dad. Rhonda was active in the 4-H and likes to groom and show cattle and did show a reserve champion home grown Steer at Achievement Days. Tim was born December 15, 1957, and is mentally handicapped but likes to help where possible.
He is at the Adjustment Training Center at Mitchell, South Dakota. Sandra was born April 17, 1%3, and attended three years of country school in the same school as her Dad, until it closed in 1972 and then she went to Platte public. She was also active in 4.H. In livestock she showed a reserve and champion steer. She won the best in the class rosette in arts and crafts six out Of seven years (county level) and finally won a trip to 4.H Congress in Chicago for her wood science project in 1982. Sandra is currently attending South Dakota State University at Brookings, South Dakota. John and Gloria irrigated their farm in 1970 and pinoeered the high lift irrigation in South Dakota. They had the highest lift in South Dakota for first year. After that many irrigation systems have lifts even higher. John and Gloria have both been active in 4.H while their children were 4.H and since. Gloria recalls some of her school days going to school in Jackson No. 3 west of Geddes. Her first teacher, Mrs. Emily Meade Riley stayed in the schoolhouse with her dog. Airplanes were few those days but when one new over, Mrs. Riley’s dog let them know and all would go Outside and look at the plane. The skunks bumped their heads when they ran around under the schoolhouse floor. Some days the school did not smell so good either. Gloria went her last year at country school with just her brother and sister and then finished in Geddes.

SJOERD KOOPAL
was born January 17, 1884, raised, educated, and married in Vrouwenparochie, Friesland, the Netherlands. His wife was Sieske Appeldoorn who was born July 2, 188 in the Netherlands. His father, a farmer, owned a freight business where he hauled products from the larger cities to the smaller towns in Holland. The family sailed to America in 1923 and came directly to Charles Mix County, South Dakota. They tarried a time With the Sjoerd Idema family who lived seven and one half miles southeast of Platte. This is now owned by the DeHaan Grain and Livestock operation. They began farming and lived on farms in Lake George, Platte, Hamilton, and Darlington Townships. Sjoerd and Sieske Koopal retired into Platte around 1949, when Sjoerd became ill and passed away September 11, 1949 Mrs. Koopal remained in her little home in Platte until just a couple months before her passing in the Good Samaritan Home in Corsica, March 3, 1%7. Both are buried in the new Platte City Cemetery, Their four children were all born in the Netherlands and came with them to America in 1923; Martin, Piet (1911-1933), Sybrand and Marie

SILAS KOOPAL (or Sybrand) was born in Holland (Vrouwenparochie, Friesland) September 30, 1911 At the age of nine years he came to America with his parents and family. He was educated in the country schools around the area Where they lived. When a young man he worked for differentfarmers. In 1936 he went to Artesia, California, for work and stayed with friends, the Rene Cnossen’s He ob. tained milking jobs, and February 1941 he enlisted in the United States Army. He met and was engaged to Grace Schnap of paramount, California while he was stationed in Ft. Lewis, Washington. They decided to be married October 16. 1942. Silas finished his Army service in November 1943 and they returned to California. In 1946 they bought a dairy in Downey, California; in 1964 they moved to Chino Valley where they built up a new dairy. Silas and Grace are retired but still live on their dairy. Their son lives on the dairy also, and has taken over the operation. Silas and Grace have three children: George Koopal (1954) is unmarried and is a self. employed automotive machinest. Clarence Koopal (1956) married Roberta Benson; three children, Christy , Kellie, and Kimberly. Alice Koopal (1957) married Don Heida; two children, David and Daniel. They are in the dairy California.

MARIE KOOPAL was born in 1920 in Holland parochie, the Netherlands) to Sjoerd and Sieske she came with her parents and brothers to America and settled with them in Charles Mix County, South Dakota Marie attended country grade school and graduated from Platte High School in 1938. At the Sacred Heart Nursing School, Yankton, South Dakota, she became a Graduate nurse in 1941. Marie worked for one years as a Registered Nurse in Racine, Wisconsin, and joined the United statesArmy Nurse Corp for five years where she served in the States and the European theatres. Marie Koopal married Jack C Borel, M.D., in 1946. They had three children: Susan Borel (1948) is a graduate Of San Diego State University a Bachelor of Science degree in nursing. She married Michael Datlow, M.D. Betty Borel (1949) is a graduate of SanDiego State University with a Bachelor of Science in nursing She married Douglas Hill and they have three children Jennifer, Michael and Noelle, John Borel (1952) is a graduate of the University of California, Los Angles. and southern California southern California University doctorate degree in dentistry. He married Barbara Young         MARTIN KOOPAL. was born May 2, 1910, to sjoerd and Sieske (Appeldoorn) Koopal at Vrouwenparochie, Friesland
the Netherlands. He attended elementary school in the Netherlands, through the sixth grade. At the age of thirteenyears, in September 1923, he came with his parents toAmerica, coming directly to Charles Mix County where theysettled on a farm northwest of Platte. As a young he worked for Mr. and Mrs. Wm. DeHaan south of Platte. John DeHaan, living nearby, advised Martin to go to school andlearn the American language. He did got school, starting atthe first grade and taking several grades in a year until hecompleted all eight grades. He then went back home and helped his father farm, as by this time he was welestablished. In 1935 he met a fine girl, Elizabeth Keegal andafter two years Of courtship they were married, March 41937. Elizabeth Keegal was born April 12, 1915, to John andKatie (Plooster) Keegal. who lived three miles south ofJoubert, on the Burgy farm. When Elizabeth was only 3years old her father passed away. Two years later her mother married Gerrit Von Eye, who had just come toAmerica from the Netherlands in 1920. The family of gerritVon Eye with John and Elizabeth Keegal went to live afarm six and one-half miles southeast Of Platte. Elizabeth atended tended the Warejcka School in Rhoda Township, Gerrit and Katie Von Eye had eight sons and two daughters. John and Elizabeth Keegal accompanied peter DeWaaard to Idaho to look for employment in the depression years of1934 and 1935. John earned enough money to buy a Ford Coupe car in which they returned to the Platte area and havelived there since. It was at this time that Elizabeth and Martin met and were married March 4, 1937, after two years Of courtship. They rented the Joseph Anderson farm inHamilton Township, and lived there nine years. They enjoyed their Norwegian neighbors, having get-to-gethers helping and working together, Here three Children were born to the Koopals: Kathleen in 1938 When Martin informed hisneighbor lady. Mrs. Pearl Cooley. She congratulated him and asked the name Of the new baby girl. Martin Slid. “it’ssomething like “gaselene”. Mrs. Cooley Said that didn’t sound right, finally they figured it out that it was Kathleen in 1939 a Son Sherman was born; and in 1943 Robert John joinedthe happy, busy family. It Was winter and cold, The bsby Was born in the kitchen by the C 00kStove. Mrs. George Tucker was the nurse and Dr, Mills came, his bill was $25 In 1944 Kathleen started school with Donna Paulson as teacher; the next year Sherman started and then Marie Turgeon was the teacher. The Koopals were a busy fam- with their three children  They raised chickens and turkeys. milked cows, and tended a large garden. Saturday nightswere special. Everybody went to town at night to hear the high school band play,visit friends and neighbors, and “do our trading”, which included selling eggs and cream, buy- ing groceries, clothes, and all necessities. In 1946 Buster Vander Boom sold Martin and Elizabeth the wheelright farm in Douglas County, ten miles east of plattc. The Kryn Bok’s lived there. The good neighbors of hamilton Township helped the Koopals move to their newly purchased farm. They were now in Dutch territory, and had tomake new acquaintances. In 1950 another son, Cecil John, was born to the Koopals in July 21. The Koopal children attended a Clark Township school in Douglas County, the Schanche-Arntson School, taught by Ruth Holland. The Koopals lived on their farm for thirty-three years. they purchased a house in Platte from Mr. and Mrs, Frank duba and moved there in 1979. Martin works at the internationalImplement Company five days a week. He is also a lay preacher in churches to replace the pastor who is gone on vacation, teaches Sunday school, and leads Bible class on Wednesday evenings during the winter months. The Koopals are faithful members of the First Reformed Church of Platte and members of the Platte Gideon Camp. Martin has served on school boards and the F. H. A. board in Douglas County. Mrs. Koopal keeps boarders and baby sits, as well as holding many business positions.
The children of Martin and Elizabeth Koopal are:
KATHLEEN (May 21, 1938) married Donald Menning. Kathleen taught school before her marriage. They are farm- ing and dairying at Corsica, South Dakota. They have four children: Dianne (1960) married Ronald Larson (1958) and they have two children, Ryan (1980) and Rachel (1982). Kevin (October 30, 1961) married Susan Fisher and they have son, Nickolas (1982). Frank was born March 5, 1965. Donald was bringing Kathleen to the Platte Hospital for the approaching birth of Frank, a storm moved in before they could reach Platte from Corsica. They went off the road about six miles east of town. Donald walked to the Frank Bechen farm home for help. With much difficulty they got Kathleen to the Bechen house. In order to get Dr. Mills out, a snowplow went ahead and another behind. Dr. Mills arrived time to deliver a baby boy to the Mennings. Later Kathleen and her infant were removed to the hospital. The baby boy was given the name of “Frank” for Frank Bechen who did not have a son, and after his grandfather, Frank
Menning. Scott was born October 29, 1968.

SHERMAN KOOPAL was born October 24, 1939. Sherman entered the United States Army at Fort Lewis, Washington. He served in Korea during 1957-58. While Stationedat Fort Lewis, Sherman and Vonnie Hubers were married in the Army chapel at Tacoma, Washington, July 20, 1957. They had four children: Vonnie Sue (1958) married Kenneth Schulte and they had two children, Emelle Rose (1980) and Arron Elizabeth (1982). Tammie (1962); Todd Allen (1964); and Lesa Marie (1970).

ROBERT JOHN KOOPAL was born February 1, 1943. He served in the National Guard for six months during 1960 at Ft. Leonordwood, Missouri. He married Ruth Hubers (1943). Robert is a trucker in Rapid City and Ruth works for a freight company as manager and bookkeeper. They have two children, Robert (1966) and Sandra (1970).                 CECIL JAY KOOPAL was born July 21, 1950. He marriedDarlene Teeslink (1950) and they have two children, Chad (1968) and Tracy Lynne (1974). They farm the Martin Koopal farm ten miles east of Platte.