1893 - 1962 (68 years)
| de GROOT, Johannes Cornelis 1922-1988 |
| de GROOT, Johannes Cornelis | |
| B: | 20 Oct 1922 |
| Ursem, Noord-Holland, Nederland | |
| D: | 28 Dec 1988 |
| Alkmaar, Noord-Holland, Nederland | |
|
| de GROOT, Gerrit 1893-1962 |
| de GROOT, Gerrit | |
| B: | 8 Nov 1893 |
| Limmen | |
| D: | 2 Sep 1962 |
| Alkmaar Nederland | |
 | Commandeur, Dieuwertje 1897-1989 |
| Commandeur, Dieuwertje | |
| B: | 12 April 1897 |
| Ursem, Koggenland (Noord-Holland) | |
| M: | 12 Apr 1921 |
| Ursem | |
| D: | 13 Jun 1989 |
| H.Hugowaard Nederland | |
