He is married to Cornelia Jans.
Permission for the marriage has been obtained in Hoek on June 30, 1742.Source 1
They got married on July 15, 1742 at Hoek.Source 11742-06-30 Hoek 1742-07-15 Hoek Hont d', Jacobus jm. geb. te Neusen Jans, Cornelia geb. te 's Heer Arendskerke en wonende te Hoek
Trouwboek Hoek (gereformeerde gemeente) 1633-1696 http://geneaknowhow.net/script/dewit/hoek-trouwen-1633-1696.htm en 1700-1796 http://www.geneaknowhow.net/script/dewit/hoek-trouwen-1700-1796.htm