Family Group Sheet| FATHER | | Tjemmo Cornelis Piso | | BIRTH | 6 August 1854 | Workum | | FATHER | Cornelis Pieters Piso | | MOTHER | Uilkjen Tjommo ten Dam | | | | MOTHER | | Grietje Haringa | | BIRTH | 8 November 1854 | Workum |
| | | CHILDREN | | 1. | Gerke Piso MALE | | | BIRTH | 21 November 1890 | | | MARRIAGE | 26 September 1918 | Geertje van der Veer; |
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