Jantje van der Kooi 1882–1970 | | |
| | Aaltje Gerrits Sinia 1853–1930 Jan Hedzers van der Kooi 1852–1908 | | |
| | Gerrit Sjolles Sinia 1824–1873 Antje Wiggers Heerma 1816–1891 | | | | Sjolle Gerrits Sinia 1800–1858 Trijntje Thomas Helder 1801–1852 | | | | Gerrit Rinses Sinia 1768–1811 Antje Sjolles Douma 1769–1841 | | | | Rinse Gerryts Sinia 1740– Elisabeth Eelkes … 1743–1793 | | | | Gerrit Renzes Sinia 1680–1752 Aukjen Gerrits Botma 1696–1765 | | |
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| | | | | | | | Albert Douwes … 1699–1772 | | |
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| | | Thomas Jans Helder 1761–1830 | | | | Jan Jans Helder 1727–1807 Yfke Cornelis Heeringa 1726–1770 | | | | Jan Jans Helder 1700–1753 |
| | | Cornelis Pieters Heeringa 1689–1748 | | |
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| | | Trijntje Lieuwes … 1743–1813 | | | | Martje Engberts … 1706–1779 | | |
| | | Lieuwe Folkerts … 1703–1778 | | |
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