ant ▁parents , ▁but ▁bapt ism al ▁records ▁were ▁not ▁preserved . ▁His ▁father , ▁Wille m ▁de ▁Wil de , ▁and ▁grand father ▁were ▁pl um bers ; ▁his ▁mother , ▁Hil leg ont ▁Her pers ▁of ▁G ou da , ▁came ▁from ▁a ▁well - known ▁Rem on str ant ▁family ▁and ▁it ▁is ▁likely ▁that ▁he ▁got ▁the ▁position ▁of ▁collect or - general ▁for ▁the ▁Admir alty ▁of ▁Amsterdam ▁through ▁his ▁mother ' s ▁second ▁husband , ▁who ▁occupied ▁various ▁civil ▁positions ▁in ▁Amsterdam . ▁ ▁In ▁January ▁ 1 6 7 7 ▁De ▁Wil de ▁married ▁Hend r ina ▁Ve en , ▁a ▁grand d augh ter ▁of ▁Jacob us ▁Ar min ius . ▁The ▁Ve ens ▁were ▁al lied ▁to ▁two ▁families ▁who ▁had ▁great ▁power ▁within ▁the ▁Admir alty , ▁which ▁served ▁the ▁newly ▁married ▁couple ▁well . ▁They ▁were ▁married ▁in ▁S lot erd ijk . ▁The ▁couple ▁had ▁five ▁daughters ▁and ▁three ▁sons , ▁all ▁bapt ized ▁in ▁the ▁Rem on str ant ▁church ▁on ▁Ke izers gra cht . ▁The ▁daughters ▁married ▁well , ▁into ▁the ▁middle ▁classes , ▁one ▁of ▁them ▁with ▁the ▁phil ologist ▁T iber ius ▁Hem ster h uis . ▁Hend r ina ▁Ve en ▁died ▁in ▁ 1 7 1 0 ▁and ▁was ▁buried ▁in ▁the ▁O ude ▁K erk . ▁Jacob ▁was ▁buried ▁there ▁on ▁ 1 5 ▁March ▁ 1 7 2 1 . ▁In ▁ 1 7 2 0 ▁his ▁son ▁Wille m ▁was ▁appointed