He is married to Cornelia Gillisdr de Kouter.
Permission for the marriage has been obtained in Kruiningen on July 1, 1740.Source 1
They got married on July 27, 1740 at Kruiningen.Source 1711. Otr. 1 juli, Tr. 27 juli, Cornelis Teunisz. van Sande, jm. van Wissekerke in Noord Beveland, en Cornelia Gillisdr. de Kouter, wed. van Jan van Hattum, beide wonende onder Kruiningen.
Kruiningen index ref. trouwen 1671-1810 https://geneaknowhow.net/script/zee/Trouwen%20Kruiningen%201671-1810.pdf