Moritz married Maria Magdalena Arth in 1802 in Wintzenbach, Bas-Rhin, Alsace, France. Maria was born in 1780 in Wintzenbach, Bas-Rhin, Alsace, France. [Group Sheet] [Family Chart]

1. Johannes Kasper Welk was born on 20 Jan 1804 in Wintzenbach, Bas-Rhin, Alsace, France; died in in Selz, Odessa, Ukrayina.
2. Johannes Welk was born in 1811 in Wintzenbach, Bas-Rhin, Alsace, France; died in in Odessa, Ukrayina.
3. Georg Welk was born in 1814 in Wintzenbach, Bas-Rhin, Alsace, France.