| Children of Aaltje Berends (Sybolts) Siebels and Reiner Jacobs Poppenga are:
| | i. | Daughter Poppenga was born 30 AUG 1862 in Woltzeten, Ostfriesland, Germany, and died 30 AUG 1862 in Woltzeten, Ostfriesland, Germany. |
| | ii. | Son Poppenga was born 15 JAN 1864 in Woltzeten, Ostfriesland, Germany, and died 15 JAN 1864 in Woltzeten, Ostfriesland, Germany. |
| | iii. | Berend Jacobs Poppenga was born 5 NOV 1865 in Woltzeten, Ostfriesland, Germany, was christened 9 NOV 1865 in Woltzeten, Ostfriesland, Germany, and died 7 DEC 1938. He married Fenna Begeman 19 MAR 1895.
She was born 16 APR 1874 in Netherlands, and died 25 JUL 1943 in Lennox, Lincoln, SD.
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| | iv. | Son Poppenga was born 22 NOV 1866 in Woltzeten, Ostfriesland, Germany, and died 25 NOV 1866 in Woltzeten, Ostfriesland, Germany. |
| | v. | Engel Gesina Poppenga was born 21 DEC 1867 in Woltzeten, Ostfriesland, Germany, was christened 12 JAN 1868 in Woltzeten, Ostfriesland, Germany, and died 24 MAR 1955. She married Simon Symens aft 20 MAY 1882.
He was born 23 FEB 1855 in Marienhafe, Ostfriesland, Germany, and died 6 DEC 1936.
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| 12. | vi. | Jacob J. Poppenga was born 19 JUL 1869 in Ostfriesland, Germany, and died 28 MAR 1946 in Lennox, Lincoln, SD. He married Sieke Smith 4 APR 1899.
She was born 12 JAN 1872, and died 9 DEC 1930.
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| | vii. | Reiner R. Poppenga was born 15 SEP 1873, and died 15 MAY 1953 in Lennox, Lincoln, SD. He married Gertie Ertmoed 16 MAR 1904.
She was born 10 APR 1886, and died 17 JAN 1959.
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| | viii. | George R. Poppenga was born 3 JUL 1876 in Grundy County, IA, and died 15 FEB 1943 in Lennox, Lincoln, SD. He married Grace Begeman 19 MAR 1903.
She died 1961.
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| | ix. | Simon Poppenga was born 29 OCT 1879, and died 1 SEP 1945. He married Jennie Seeba 22 NOV 1907.
She was born 26 JUN 1888, and died 28 APR 1983.
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