Jan Crumerus
| Family | Pedigree | Reports |
| Jan Crumerus |
| b. 6 Feb 1848 |
| d. 27 Aug 1921 |
| Hendrik Cremerus |
| b. abt 1814 |
| d. 24 Oct 1858 |
| Jantje van der Wal |
| b. 4 Dec 1815 |
| d. 30 Jan 1877 |
| Boukjen van der Wal |
| b. |
| d. 1 Nov 1857 |
| Family | Pedigree | Reports |
| Jan Crumerus |
| b. 6 Feb 1848 |
| d. 27 Aug 1921 |
| Hendrik Cremerus |
| b. abt 1814 |
| d. 24 Oct 1858 |
| Jantje van der Wal |
| b. 4 Dec 1815 |
| d. 30 Jan 1877 |
| Boukjen van der Wal |
| b. |
| d. 1 Nov 1857 |