Kornelis Johannes Koopmans1857–
- Name
- Kornelis Johannes Koopmans
| Birth | October 31, 1857 |
| Death of a paternal grandfather | Gerben Hyltjes Koopmans August 24, 1858 (Age 9 months) |
| Birth of a sister | Trijntje Johannes Koopmans November 29, 1858 (Age 12 months) |
| Birth of a brother | Cornelis Johannes Koopmans October 11, 1860 (Age 2 years) |
| Birth of a brother | Gerben Johannes Koopmans August 30, 1863 (Age 5 years) |
| Birth of a sister | Antje Johannes Koopmans October 24, 1868 (Age 10 years) |
| Death of a paternal grandmother | Antje Johannes Jensma January 19, 1881 (Age 23 years) |
| Death of a maternal grandmother | Trijntje Teunis Jensma March 16, 1883 (Age 25 years) |
| Death of a father | Johannes Gerbens Koopmans May 5, 1906 (Age 48 years) |
| Death of a mother | Aaltje Cornelis Boersma April 24, 1909 (Age 51 years) |
| Death of a brother | Gerben Johannes Koopmans August 24, 1941 (Age 83 years) |
| Family with parents |
| father |
Johannes Gerbens Koopmans Birth: July 21, 1831 — Hantum Death: May 5, 1906 |
| mother |
Aaltje Cornelis Boersma Birth: February 15, 1834 Death: April 24, 1909 |
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Marriage: May 17, 1856 — Ferwerd |
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17 months himself |
Kornelis Johannes Koopmans Birth: October 31, 1857 |
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13 months younger sister |
Trijntje Johannes Koopmans Birth: November 29, 1858 |
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22 months younger brother |
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3 years younger brother |
Gerben Johannes Koopmans Birth: August 30, 1863 Death: August 24, 1941 |
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5 years younger sister |
Antje Johannes Koopmans Birth: October 24, 1868 |