(1) He is married to (Not public).
They got married
(2) He is married to Sara Jansdr.
Permission for the marriage has been obtained in Kruiningen on March 25, 1729.Source 1
588. Otr. 25 maart, attestatie gegeven 11 april, Jacobus Leenderts, wr. Tannetje Adriaansdr. Wijdvliet, wonende te Yerseke, en Sara Jans, wed. van Jacobus Blommers, wonende onder Kruiningen.
Kruiningen index ref. trouwen 1671-1810 https://geneaknowhow.net/script/zee/Trouwen%20Kruiningen%201671-1810.pdf