He is married to Anna Simons.
Permission for the marriage has been obtained in Kruiningen on June 10, 1702.Source 1
They got married on June 26, 1702 at Kruiningen.Source 1268. Otr. 10 juni 26 juni, Christiaan van Bostelaar, jm. Lokeren, en Anna Simons, wed. Isaak Simons, beide wonende onder Kruiningen. [bijgeschreven: Isaak Simons Dijkwel]
Kruiningen index ref. trouwen 1671-1810 https://geneaknowhow.net/script/zee/Trouwen%20Kruiningen%201671-1810.pdf