Il avait une relation avec Elizabeth Francina Netscher.
Enfant(s):
http://www.kolff.nl/kolffen/gc.htm#ca
Mr. Jacob van Santen, Heer van (Lord of) Middelharnis (change of name [see below*] Kolff to Van Santen Kolff, act of notary public at The Hague, reg. by public notary L. Bijland, 30 Dec. 1744) (De Colve XV), born Dirksland 12 June 1738, j.u.d. Leiden 1761, member of the town council 1767- and magistrate 1768 at Schiedam, deceased The Hague 10 July 1768, married The Hague 29 March 1768 Susanna Elisabeth Vosmaer, born The Hague 1 March 1748, deceased there 19 May 1823, daughter of Jacob and Louisa Mosburger; she remarried The Hague 9 Nov. 1783 Jacob Dirk Heyns.
*Change of name from Kolff to Van Santen Kolff: Jacob became universal heir of Jacob van Santen, Heer van (Lord of) Middelharnis, on the condition that he would take his name and coat of arms. (see also De Colve XV). When he died in 1768 without children the name Jacob van Santen Kolff was assumed by Jacob, the son of Cornelis, Cornelis being the younger brother of Jacob van Santen Kolff. This Jacob van Santen Kolff thereby replaces his childless uncle as the universal heir.
Jacob van Santen Kolff | ||||||||||||||||||||||||||||||||||||||
Elizabeth Francina Netscher |