Johannes JensmaAge: 67 years1900–1968
- Name
- Johannes Jensma
| Birth | September 29, 1900 |
| Birth of a sister | Boene Jensma July 31, 1902 (Age 22 months) |
| Birth of a brother | Broer Jensma April 29, 1904 (Age 3 years) |
| Death of a paternal grandfather | Johannes Gerlofs Jensma December 16, 1918 (Age 18 years) |
| Death of a paternal grandmother | Nieske Iebes Poortinga May 26, 1931 (Age 30 years) |
| Death of a father | Gerlof Johannes Jensma July 22, 1932 (Age 31 years) |
| Death of a brother | Broer Jensma August 4, 1955 (Age 54 years) |
| Death | February 7, 1968 (Age 67 years) |
| Family with parents |
| father |
Gerlof Johannes Jensma Birth: December 16, 1869 — Stiens Death: July 22, 1932 — Groningen |
| mother | |
|
Marriage: February 16, 1895 — Kollum |
|
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20 months elder sister |
Maike Gerlofs Jensma Birth: October 10, 1896 — Kollum |
|
4 years himself |
Johannes Jensma Birth: September 29, 1900 — Groningen Death: February 7, 1968 — Groningen |
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22 months younger sister |
Boene Jensma Birth: July 31, 1902 — Groningen |
|
21 months younger brother |
Broer Jensma Birth: April 29, 1904 — Groningen Death: August 4, 1955 — Groningen |
| Family with Dina Roelfke Zeef |
| himself |
Johannes Jensma Birth: September 29, 1900 — Groningen Death: February 7, 1968 — Groningen |
| wife |
Dina Roelfke Zeef |
| son |
Gerlof Jensma |
| daughter |
Geziena Jensma |
| daughter |
Jacoba Geziena Jensma |