Karl married Magdalena Dillmann on 30 Nov 1901 in Hochspeyer, Pfalz, Bayern. Magdalena (daughter of Johannes Dillmann and Margaretha Hafner) was born in 1879 in Fischbach bei Dahn, Pfalz, Bayern; died in 1947 in Waldleiningen, Rheinland-Pfalz. [Group Sheet] [Family Chart]

1. Mertel
2. Mertel
3. Mertel
4. Heinrich Rudolf Mertel was born on 21 Apr 1911 in Waldleiningen, Pfalz, Bayern; died in Mar 1945 in Ensheim, Alzey-Worms, Pfalz, Bayern.
5. Alfred Mertel was born in 1913; died on 23 Jun 2015 in Frankenthal, Rheinland-Pfalz.
6. Willi Jakob Mertel was born on 11 Mar 1918 in Waldleiningen, Pfalz; died on 11 Dec 1942.