Geertje Jans Jonker was born 20 September 1750 in Lutjebroek, North Holland, Netherlands to Jan Jonker (1710-) and Trijntje Uil (1714-) and died 10 February 1827 Lutjebroek, North Holland, Netherlands of unspecified causes. She married Pieter Swan (1746-1823) in North Holland, Netherlands.
|Offspring of Geertje Jonker and Pieter Swan (1746-1823)|
|Aafje Swan (1773-1826)|
|Teetje Swan (1779-1849)||17 January 1779 Lutjebroek, North Holland, Netherlands||1 September 1849 Broekerhaven, Bovenkarspel, North Holland, Netherlands||Arend Eeken (1774-1810) Arend Eeken (1774-1810) Klaas Neuvel (1753-1819)|
|Jan Swan (c1782-1846)|
|Trijntje Swan (c1784-1847)|
|Marijtje Swan (1786-1827)|
|Reijnouwtje Swan (c1791-1861)|