Jacob Jurjens married Geertien HIndricks Swiers (2287) , daughter of Hindrik Swiers (ca 1600-) & Wendel Sickes Weerdinck (972) (ca 1611-). Born ca 1640 in ter Apel (Vlagtwedde), Groningen. Geertien HIndricks died in ter Borgh, Groningen bef 7 Oct 1697.