Koenraad Egbert Jan LöwensteynAge: 15 years1855–1871
- Name
- Koenraad Egbert Jan Löwensteyn
- Given names
- Koenraad Egbert Jan
- Surname
- Löwensteyn
| Birth | December 2, 1855 22 25 |
| Birth of a sister | Marretje Trijntje Löwensteyn March 21, 1858 (Age 2 years) |
| Birth of a brother | Egbert Frederik Löwensteyn October 15, 1863 (Age 7 years) |
| Birth of a sister | Frederika Hendrina Löwensteyn July 14, 1868 (Age 12 years) |
| Death | August 16, 1871 (Age 15 years) |
| Family with parents |
| father |
Birth: August 30, 1833 41 34 — Amsterdam, The Netherlands Death: October 20, 1919 — 's Gravenhage, The Netherlands |
| mother |
Birth: February 10, 1830 42 — Amsterdam, The Netherlands Death: April 22, 1901 — Amsterdam, The Netherlands |
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Marriage: October 25, 1854 — Amsterdam, The Netherlands |
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13 months himself |
Koenraad Egbert Jan Löwensteyn Birth: December 2, 1855 22 25 — Amsterdam, The Netherlands Death: August 16, 1871 — Amsterdam, The Netherlands |
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2 years younger sister |
Marretje Trijntje Löwensteyn Birth: March 21, 1858 24 28 — Amsterdam, The Netherlands Death: February 27, 1931 — Amsterdam, The Netherlands |
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6 years younger brother |
Egbert Frederik Löwensteyn Birth: October 15, 1863 30 33 — Amsterdam, The Netherlands Death: May 31, 1919 — Amsterdam, The Netherlands |
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5 years younger sister |
Birth: July 14, 1868 34 38 — Amsterdam, The Netherlands Death: July 23, 1959 — 's Gravenhage, The Netherlands |
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5 years younger sister |
Birth: December 18, 1873 40 43 — Amsterdam, The Netherlands Death: March 24, 1943 — Zeist, The Netherlands |
| Father’s family with Catharina Cornelia Duijker |
| father |
Birth: August 30, 1833 41 34 — Amsterdam, The Netherlands Death: October 20, 1919 — 's Gravenhage, The Netherlands |
| step-mother |
Catharina Cornelia Duijker Birth: 1843 — Amsterdam, The Netherlands Death: |
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Marriage: March 15, 1902 — Amsterdam, The Netherlands |