(1) He is married to Cornelia Vincent van Dun.
Permission for the marriage has been obtained in Tilburg on June 3, 1735.Source 1
They got married on June 20, 1735 at Tilburg, he was 27 years old.Source 1domicilie: Hasselt Tilburg
(2) He is married to Theresia (Joanna) Adriaen Lemans.
Permission for the marriage has been obtained in Tilburg on December 15, 1741.Source 2
They got married on January 6, 1742 at Tilburg, he was 33 years old.Source 2http://gw1.geneanet.org/index.php3?b=gemmabertens⟨=nl;pz=jacobus+adrianus;nz=van+de+klundert;ocz=0;p=cornelia+vincent;n=van+dun
http://gw1.geneanet.org/index.php3?b=gemmabertens⟨=nl;pz=jacobus+adrianus;nz=van+de+klundert;ocz=0;p=laurens+jan;n=jonkers+jonckers