| | Evert Hinrichs Roskamp 1822–1876 Hilke Arends Schröder 1825–1881 | | |
| | Hinderk Alberts Evers Roskamp (Roskam) 1788–1854 Trientje Lübberts 1790–1858 | | |
| | Gerdrut Elisabeth Hinrichs Roskamp 1759–1814 Evert Wilms (Griepenburg) 1754–1813 | | |
| | Hinrich Wilhelm Roskamp 1716–1762 Catharina Schulz 1723–1759 | | |
| | 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 | | |
| | Foelke Hayen Warsing 1816–1884 Ulfert Janssen Kramer 1816–1890 | | |
| | Frauke Alberts Roskam 1794–1828 Haye Harms Warsing 1771–1834 | | |
Hermina Gerdes Smidt 1824–1883 Willm Janssen Reints 1823–1859 | | |
Albertus Gerdes Smidt 1826–1843 | | |
| | Trientje Gerdes Smidt 1829–1909 Roelf Evert Reins 1820–1888 | | |
| | Ude Gerdes Smidt 1831–1879 Tjabina van Lessen 1835–1865 | | |
Jan Vienne Smidt 1833–1905 Elskelina Johanna Cramer 1847–1917 | | |
| | Zeke Alberts Roskam 1797–1878 Gerd Uden Smidt 1779–1841 | | |
| | Albert Janssen Roskam 1763–1828 Trientje Jansen 1767–1816 | | |
| | 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 | | | | Coert Roskam (Roskamp) 1610–1672 Margarethe van Hövel 1615–1658 Gretje Jajen Wittinga (Wittingha) 1625– | | | | Plegman Roskam (Roszkam) 1580–1649 |
| | | | | | | Jaje (1) Wittingha 1555–1597 |
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| | | | | | | Jaje (1) Wittingha 1555–1597 |
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