Gerhardus married Hermina Everdina Kets on 30 Sep 1795 (burgerlijk huwelijk) in Arnhem. Hermina (daughter of Johannes Kets and Teuntje Jansen) was christened on 5 Apr 1773 in Spankeren; died on 28 Jun 1862 in Dieren. [Group Sheet] [Family Chart]

1. Jan Hendrik Slik died on 26 Feb 1802 in Dieren.
2. Willemijna Margrieta Slik was born on 10 Apr 1796 in Arnhem; died on 24 Dec 1865 in Gendringen.
3. Johanna Antonia Slik was born on 11 Mar 1798 in Arnhem.
4. Johannes Willem Slik was born on 22 Jan 1801 in Spankeren.
5. Antonia Slik was born about 1803; died on 3 Aug 1810 in Dieren.
6. Margaretha Slik was born on 14 May 1805 in Spankeren; was christened on 2 Jun 1805; died on 21 Jun 1809 in Dieren.
7. Jan Hendrik Slik was born on 18 Mar 1807 in Spankeren; was christened on 5 Apr 1807 in Spankeren.
8. Elsken Slik was born on 14 Mar 1808 in Spankeren; was christened on 3 Apr 1808 in Spankeren; died on 17 Jun 1809 in Dieren.
9. Jan Hendrik Slik was born on 5 Mar 1811 in Dieren; was christened on 31 Mar 1811 in Spankeren; died on 9 Nov 1862 in Dieren.
10. Antonia Slik was born on 25 Sep 1814 in Dieren.