He is married to Willemina Matthijssen.
Permission for the marriage has been obtained in Terneuzen on November 27, 1773.Source 1
They got married on December 15, 1773 at Terneuzen.Source 11773-11-27 Hendrik de Lange, geb. Dreischor en Willemina Mattyssen, wed. van Adriaan Heindijk, won. Neusen (15 december)
Ref. trouwboek Terneuzen (Neusen) 1631-1697 http://www.geneaknowhow.net/script/dewit/terneuzen-ref-trouwen-1631-1697.htm en Index ref. trouwboek Terneuzen (Neusen) 1697-1796 http://www.geneaknowhow.net/script/dewit/terneuzen-ref-trouwen-1697-1796.htm