Mathäus married Maria Barbara Egendörfer on 28 Nov 1750 in Herxheim, Pfalz. Maria (daughter of Johann Nikolaus Egendörfer and Maria Barbara Baum) was born in 1730 in Hainfeld, Pfalz; was christened on 22 Jun 1730 in Hainfeld, Pfalz; died on 21 Aug 1760 in Herxheim, Pfalz. [Group Sheet] [Family Chart]

1. Johannes Josef Seither was born on 26 Dec 1751 in Herxheim, Pfalz; was christened on 26 Dec 1751 in Herxheim, Pfalz; died on 12 Mar 1819 in Rülzheim, Pfalz, Bayern.
2. Johannes Georg Seither was born in in Herxheim, Pfalz; was christened on 31 May 1753 in Herxheim, Pfalz; died on 29 Jun 1758 in Herxheim, Pfalz.
3. Casimir Seither was born on 18 Aug 1755 in Herxheim, Pfalz; died on 23 Jan 1758 in Herxheim, Pfalz.
4. Johannes Adam Seither was born on 6 Jan 1757; was christened on 6 Jan 1757 in Herxheim, Pfalz; died on 12 Dec 1825 in Mörlheim, Pfalz, Bayern.
5. Maria Eva Seither was born on 29 Jan 1759 in Herxheim, Pfalz; died on 7 Feb 1783 in Herxheim, Pfalz.

Mathäus married Katharina Ursula Schultz on 25 Oct 1763 in Herxheim, Pfalz. Katharina was born on 29 Dec 1741 in Herxheim, Pfalz; was christened on 29 Dec 1741 in Herxheim, Pfalz; died on 22 Aug 1794 in Herxheim, Pfalz. [Group Sheet] [Family Chart]

Ferdinand married Maria Margaretha Trauth on 26 Apr 1717 in Herxheim, Pfalz. Maria was christened on 24 Jan 1697 in Herxheim, Pfalz; died on 5 Oct 1750 in Herxheim, Pfalz; was buried on 6 Oct 1750 in Herxheim, Pfalz. [Group Sheet] [Family Chart]