(1) He is married to (Not public).
They got married
(2) He is married to Anna Dignusse Sandijk.
Permission for the marriage has been obtained in Kruiningen on September 30, 1729.Source 1
They got married on October 19, 1729 at Kruiningen.Source 1594. Otr. 30 september, Tr. 19 oktober, Janus van Schagen, wr. van Maria Wijdee, wonende te ‘s Gravenpolder, en Anna Dignusse Sandijk, jd. van Kruiningen.
Kruiningen index ref. trouwen 1671-1810 https://geneaknowhow.net/script/zee/Trouwen%20Kruiningen%201671-1810.pdf