Cornelius Teunisen Cool 1655–1736 Jannetje lambertsen Brink 1657–1736 | | |
Theunis Barentsen Kool 1653–1715 | | |
| | Maritje jacobsen Cool 1666–1721 Johannes Jurian Westphalen 1657–1725 | | |
| | Marretje Sijmons Schepmoes 1632–1692 Jacob Barentsen Cool 1638– | | |
| | Claertje Arents 1593–1645 Sijmon florisz Schepmoes 1593–1642 | | |
| | Maritje Willemse 1573–1624 | | |
| | Niesk Meijnertsdr 1559–1632 Willem Willems Nijdam Sr. 1552–1632 | | | | Meijnert Outgerts 1530–1590 |
| | | Willem gerbrens Nijdam 1517–1590 Syts Idsdr Roorda 1525–1552 | | | | Ids Idesz van Roorda 1500–1550 Saeckje Sytzes Idsinga 1500–1530 | | | | Idsardius Joukes 1470–1515 | | | | Jouke Ruurds van Roorda 1440– |
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| | | Sytse Aetes Atesz Idsinga 1478– Ferck Gerbrands van Aytta 1463–1510 | | | | Ate Sytzes van Idsinga 1435– |
| | | Gerbrant Ferckes van Aytta 1438–1484 Jelts Wytses van Buckama 1437–1528 | | |
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