Grietje Werkman–
- Name
- Grietje Werkman
- Given names
- Grietje
- Surname
- Werkman
| Birth | yes |
| Birth of a son #1 | Pieter Tromp about 1872 |
| Occupation | dagloonster March 23, 1895 |
| Death | yes |
| Family with Leendert Tromp |
| husband |
Leendert Tromp Birth: Death: |
| herself |
Grietje Werkman Birth: Death: |
| son |
Pieter Tromp Birth: about 1872 — Onderdendam, Bedum, Groningen, Nederland Death: |