He is married to Catilina Wallet.
Permission for the marriage has been obtained in Terneuzen on December 1636.Source 1
They got married at Terneuzen.Source 1Jacob Jan Aerentsen, j.g. van den D...., soldaet onder Cap. Cruyningen, met Catilina Wallet, j.d. van Lillo. Den bruydegoms .... oom..... van Isendijcke. Alhier getrouwt.
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