He is married to Elisabeth Adriaansdr Burger.
Permission for the marriage has been obtained in Kruiningen on June 14, 1755.Source 1
They got married on June 30, 1755 at Kruiningen.Source 1897. Otr. 14 juni, Tr. 30 juni, Jan Jansz. Geenzen, geboren te Hoedekenskerke, wonende te Capelle, met Elisabeth Adriaandsr. Burger, geboren te Cruiningen en wonende aldaer.
Kruiningen index ref. trouwen 1671-1810 https://geneaknowhow.net/script/zee/Trouwen%20Kruiningen%201671-1810.pdf