| | Johann Alberts Roskam 1828–1872 Elsche Janssen Schmid 1833–1878 | | |
| | Frauke Alberts Roskam 1838–1906 Wielf Janssen Schmid 1831–1904 | | |
| | Albert Janssen Roskam 1793–1866 Elsche Anthons Garrels 1803–1894 | | | | Jan Janssen Roskam 1753–1835 | | | | Maria Alberts Roskam 1721–1787 | | | | Albert (2) Roskam 1684–1731 Aldjen (Altje) Hinrichs 1683–1758 | | | | Albert (1) Roskam 1650–1715 Maria Mennen Bunger 1660–1710 | | |
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| | | Jan (Johan) Franken 1708–1790 Elsche Folrichs 1714–1777 |
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| | | Ocke (Oucke Okelina) Willems 1776–1825 | | |
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