1. | Grietje Klases Family/Spouse: Johannes Pieters Grondsma. [Group Sheet] [Family Chart]
Children:
- Pieter Johannes Grondsma was born about 1789 in Uitwellingerga, Wijmbritseradeel, FR, NLD.
- Klaas Johannes Grondsma was born about 1798 in Uitwellingerga, Wijmbritseradeel, FR, NLD.
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