Gelmer Janssen
| Name: | Gelmer Janssen |
| Gender: | male |
| Born: | |
| Died: | |
| Father: | |
| Mother: |
Marriage:
- Metgen Sasse (? - 1641), s.l. before
References
Secondary sources
- Krans, G.H.A., 'Thomas Berentsz. Bouwmeester, schilder en landmeter te Kampen', Verslagen en Mededeelingen Overijsselsch Regt en Geschiedenis 55 (1939), pp. 62-73