Johannes PosthumusAge: 75 years1885–1960
- Name
- Johannes Posthumus
- Given names
- Johannes
- Surname
- Posthumus
| Birth | April 15, 1885 42 34 |
| Death of a maternal grandmother | Otilia Wilhelmina Frederika Antonetta Kessler October 1, 1892 (Age 7 years) |
| Death of a father | Willem Posthumus March 5, 1905 (Age 19 years) |
| Occupation | Kwartiermeester bij de Koninklijke Marine. 1915 (Age 29 years) |
| Death of a brother | Willem Johan Antoon Posthumus January 26, 1937 (Age 51 years) |
| Death of a mother | Engelina Wichelhausen (Wigchelhausen) June 1, 1941 (Age 56 years) |
| Death of a brother | Sipke Posthumus April 3, 1955 (Age 69 years) |
| Death | November 16, 1960 (Age 75 years) |
| Family with parents |
| father |
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| mother |
Birth: July 23, 1850 25 28 — Utrecht (Utrecht) Death: June 1, 1941 — Amsterdam (N-H) |
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Marriage: May 14, 1873 — Leeuwarden (Friesland) |
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-7 months elder brother |
Willem Johan Antoon Posthumus Birth: October 17, 1872 30 22 — Leeuwarden (Friesland) Death: January 26, 1937 — Zaandam (N-H) |
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2 years elder brother |
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1 year elder sister |
Elisabeth Wilhelmina Posthumus Birth: March 24, 1876 33 25 — Leeuwarden (Friesland) Death: August 29, 1876 — Leeuwarden (Friesland) |
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17 months elder brother |
Sipke Posthumus Birth: August 12, 1877 35 27 — Leeuwarden (Friesland) Death: April 3, 1955 — Franeker (Friesland) |
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6 years elder brother |
Jan Posthumus Birth: April 9, 1883 40 32 — Leeuwarden (Friesland) Death: June 20, 1964 — Amsterdam (N-H) |
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2 years himself |
Johannes Posthumus Birth: April 15, 1885 42 34 — Leeuwarden (Friesland) Death: November 16, 1960 — Haarlem (N-H) |