Johannes Hendrik Kramers1837–
- Name
- Johannes Hendrik Kramers
| Birth | estimated as equal to wife's birth year about 1837 |
| Birth of a son #1 | Hendrik Kramers December 11, 1862 (Age 25 years) |
| Death of a son | Hendrik Kramers April 5, 1933 (Age 96 years) |
| Alfred W. Generation |
| Family with Margaretha Anna Hoogklimmer |
| himself |
Johannes Hendrik Kramers Birth: estimated as equal to wife's birth year — about 1837 |
| wife |
Margaretha Anna Hoogklimmer Birth: estimated a gap of 25 years — about 1837 |
| son |
Hendrik Kramers Birth: December 11, 1862 25 25 — Beur bei ... Death: April 5, 1933 — Rotterdam, Zuid-Holland, The Netherlands |