Jan married Zorgdrager Maria Pieters on 24 Jun 1858 in Terschalling. Maria was born on 29 Jul 1831 in Terschalling; died on 16 Dec 1859 in Kinnum. [Group Sheet]

1. Koen Imke was born on 8 Nov 1858 in Kinnum; died on 7 Jun 1860 in Midsland.

Jan married Groendijk Gertje Jansd. Gertje was born on 26 Oct 1839 in Terschelling; died on 19 Jan 1926 in Terschelling. [Group Sheet]

1. Koen Jan Jansz was born on 12 Aug 1864 in Terschelling.
2. Koen Emma Jans was born on 14 Nov 1865 in Terschelling; died on 23 Oct 1920 in Midsland.
3. Koen Willem Jans was born on 21 Nov 1868 in Terschelling; died on 22 Aug 1933 in Terschelling; was buried on 25 Aug 1933 in Midsland.
4. Koen Cornelis Jans was born on 6 Nov 1870 in Terschelling; died in Nov 1902 in Op Zee; was buried in Midsland.
5. Koen Dirk Jansz was born on 15 Sep 1872 in Terschelling; died on 5 Jun 1949 in Midsland.
6. Koen Neeltje was born on 17 Oct 1875 in Terschelling; died on 9 Nov 1951 in Amsterdam; was buried in Midsland.
7. Koen Matheus Jans was born on 28 Aug 1878 in Terschelling; died on 5 May 1965 in Wieringen; was buried in Midsland.