1. | Johannes Petrus Mertens was born about 1826 in Groningen, GR, NLD (son of Willem Mertens and Johanna Heide). Johannes married Lamke Hendriks Zwart on 14 Mar 1860 in Leek, GR, NLD. Lamke (daughter of Hendrik Tijmens Zwart and Annechien Geerts van der Wal) was born about 1835 in Tolbert, Leek, GR, NLD. [Group Sheet] [Family Chart]
Children:
- Johannes Johannes Mertens was born about 1864 in Tolbert, GR, NLD.
Family/Spouse: Henderika Vermeulen. Henderika died before 1860. [Group Sheet] [Family Chart]
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