Gezin: Pieter Watzes Posthumus / Sara Tjepkes Tjepkema (F7188)
getr. 21 mei 1887 | Watze Pieters Posthumus (1832-1882) 
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 | Baukje Hendriks de Groot (1838-1867)
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| Hendrik Watzes Posthumus (1861- ) |
| Aafke Watzes Posthumus (1865-1890) |
| Cornelis Watzes Posthumus (1867-1929)  |
| Tjepke Minnes Tjepkema (1802-1878)
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| Jacobje Jans Kuiken (1831-1874)
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| Antje Tjepkes Tjepkema (1854-1932) |
| Jisseltje Tjepkes Tjepkema (1856-1858) |
| Minne Tjepkes Tjepkema (1859-1876) |
| Jisseltje Tjepkes Tjepkema (1861-1937) |
| Cornelis Tjepkes Tjepkema (1862-1862) |
| Stillborn Tjepkes Tjepkema (1865-1865) |
| Cornelis Tjepkes Tjepkema (1867-1886) |
| Jan Tjepkes Tjepkema (1869-1882) |
| Sytske Tjepkes Tjepkema (1871-1871) |
| Syds Tjepkes Tjepkema (1873-1873) |
| Stillborn Tjepkes Tjepkema (1874-1874) |
| Pieter Watzes Posthumus (1860-1917)
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| Sara Tjepkes Tjepkema (1864-1932)
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| Jacoba Pieters Posthumus (1888-1945) |
| Watse (Walter) Pieters Posthumus (1901-1957) |