Jan married Antje Hanssen on 29 Aug 1819 in Groothusen, Germany. Antje (daughter of Geerd Janssen and Teelke Hanssen) was born on 27 Jan 1791 in Rysum, Germany; died on 8 Oct 1873 in Hamswehrum, Hannover, Germany; was buried on 12 Oct 1873 in Hamswehrum, Hannover, Germany. [Group Sheet] [Family Chart]

1. Jeelke Jansen Haan was born in 5 May.
2. Aeisse Jansen Haan was born on 14 Dec 1819 in Hamswehrum, Hannover, Germany; died on 13 Oct 1893 in Germany.
3. George Haan was born on 15 Jul 1822; and died.
4. Jan Garrels Haan was born on 12 Oct 1825 in Hamswehrum, Hannover, Germany; died on 4 Apr 1903.