He is married to Cornelia Meeuwsen.
Permission for the marriage has been obtained in Kruiningen on September 30, 1763.Source 1
They got married on October 19, 1763 at Kruiningen.Source 11005. Otr. 30 september, Tr. 19 oktober, Jan Kieman, jm. van den N. Doele, en Cornelia Meeuwsen, wed. van Maarten du Mon, beide wonende te Cruiningen.
Kruiningen index ref. trouwen 1671-1810 https://geneaknowhow.net/script/zee/Trouwen%20Kruiningen%201671-1810.pdf