(1) He is married to (Not public).
They got married
(2) He is married to Clara Jacobse.
Permission for the marriage has been obtained in Kruiningen on June 25, 1698.Source 1
They got married on July 16, 1698 at Kruiningen.Source 1225. Otr. 25 juni verzoek van de kk-raad van Biezelinge, Tr. 16 juli, Jan Franse, wr. Leintie Isaaks, wonende te Eversdijk, en Clara Jacobse, wed. Jan Boudense, wonende onder Noord-Monster.
Kruiningen index ref. trouwen 1671-1810 https://geneaknowhow.net/script/zee/Trouwen%20Kruiningen%201671-1810.pdf