(1) He is married to Cathelijn de Blieck.
They got married
(2) He is married to Catrina Wieau.
Permission for the marriage has been obtained in Ossenisse on March 21, 1676.Source 1
They got married on April 19, 1676 at Ossenisse.Source 1otr. 21 maa 1676; tr. 19 apr 1676; bdg. Jan van der Nat wed[uwnaar] van Cathelijn de Blieck woont op Heijnsdijck; br. Catelijn Wieau wed[uwe] van Joos Heerman woont onder Ossenisse; opm. get[uigen] Huijbreght de Koster, Jan de Korte, Pieternelle Rogiers, Maijke van Kerckhove
Ossenisse ondertrouw 1648-1682 https://www.geneaknowhow.net/script/zee/Ossenisse_ondertrouw_1648-1682.pdf