Jacob married Aeltje Dircks on 27 Jan 1596 in Amsterdam, North Holland, Netherlands. Aeltje was born in Vollenhoven, Netherlands. [Group Sheet] [Family Chart]

1. Barent Jacobsen Cool was born about 1610 in Amsterdam, Amsterdam, Noord-Holland, Netherlands; was christened on 18 May 1610 in Nieuwekerk, Amsterdam, North Holland, Netherlands.
2. Dierikien Jacobs was born about 1604; was christened on 23 Sep 1604 in Oudekerk, Amsterdam, North Holland, Netherlands.
3. Pieter Jacobs was born about 1606; was christened on 8 Oct 1606 in Oudekerk, Amsterdam, North Holland, Netherlands.
4. Barent Jacobs was born about 1609; was christened on 12 Mar 1609 in Oudekerk, Amsterdam, North Holland, Netherlands.
5. Lievyn Jacobs was born about 1613; was christened on 18 Apr 1613 in Oudekerk, Amsterdam, North Holland, Netherlands.
6. Arent Jacobs