Jacob Jans Koning ^31,463,780

Jacob married Geertje Willems den Broeder, daughter of Willem Joosts den Broeder and Claartje Jans Dobbe, on 23 december 1725 in Woerden.³¹ (Geertje Willems den Broeder was christened on 24 april 1701 in Woerden ³¹.)

Jacob also married Aaltje Hendriks Verlaan, daughter of Hendrik Jacobs Verlaan and Cornelia Huijgs Verdouw, on 30 january 1729 in Woerden ³¹.^,780 (Aaltje Hendriks Verlaan was christened on 11 april 1706 in Harmelen ⁴⁸.)