He is married to Tannetje Cornelisdr Molhoek.
Permission for the marriage has been obtained in Kruiningen on June 11, 1751.Source 1
They got married on June 30, 1751 at Kruiningen.Source 1835. Otr. 11 juni, Tr. 30 juni, Jan Jansz. Boom, jm. van Wemeldinge, wonende aldaar, met Tannetje Cornelisdr. Molhoek, jd. van Cruiningen en wonende aldaar.
Kruiningen index ref. trouwen 1671-1810 https://geneaknowhow.net/script/zee/Trouwen%20Kruiningen%201671-1810.pdf