Vitus married Maria Barbara Martz on 23 May 1746 in Steinweiler, Pfalz. Maria (daughter of Lorentz Martz and Apollonia) was born in 1723 in Steinweiler, Pfalz; died on 25 Jan 1758 in Steinweiler, Pfalz. [Group Sheet] [Family Chart]

1. Maria Eva Schwein was born on 10 Feb 1749 in Steinweiler, Pfalz; died on 23 Jul 1781 in Steinweiler, Pfalz.
2. Johannes Nikolaus Schwein was born on 29 Oct 1750 in Steinweiler, Pfalz; died on 17 Jul 1818 in Steinweiler, Pfalz, Bayern.
3. Maria Apollonia Schwein was born on 4 Apr 1756 in Steinweiler, Pfalz; was christened on 4 Apr 1756 in Steinweiler, Pfalz.
4. Maria Barbara Schwein was born on 4 Apr 1756 in Steinweiler, Pfalz; was christened on 4 Apr 1756 in Steinweiler, Pfalz; died in in Landau, Odessa, Ukrayina.
5. Barbara Schwein was born on 23 Jan 1758 in Steinweiler, Pfalz; died on 24 Jan 1758 in Steinweiler, Pfalz.