Leonard married Maria Katherina Klemm about 1719. Maria (daughter of Nikolaus Klemm) was born on 17 Jun 1698 in Böllenborn, Pfalz; died on 4 Jan 1773 in Böllenborn, Pfalz. [Group Sheet] [Family Chart]

1. Anna Maria Stappfer was born in 1720 in Böllenborn, Pfalz; was christened in in Böllenborn, Pfalz; died on 31 Dec 1750.
2. Theobald Stappfer was born on 1 Jul 1722 in Böllenborn, Pfalz; was christened on 1 Jul 1722 in Böllenborn, Pfalz; died on 8 Dec 1759 in Böllenborn, Pfalz.
3. Maria Anna Stappfer was born on 13 Dec 1725 in Böllenborn, Pfalz; was christened on 13 Dec 1725 in Böllenborn, Pfalz; died on 19 Jun 1762 in Blankenborn, Pfalz.
4. Anna Elisabetha Stappfer was born on 15 Jun 1728 in Böllenborn, Pfalz; was christened on 15 Jun 1728 in Böllenborn, Pfalz; died on 5 Nov 1742 in Böllenborn, Pfalz.
5. Maria Katherina Stappfer was born on 27 Jul 1730 in Böllenborn, Pfalz; was christened on 27 Jul 1730 in Böllenborn, Pfalz; died on 4 Mar 1782 in Böllenborn, Pfalz.
6. Maria Christina Stappfer was born on 6 May 1733 in Böllenborn, Pfalz; was christened on 6 May 1733 in Böllenborn, Pfalz; died on 24 Mar 1781 in Böllenborn, Pfalz.
7. Maria Magdalena Stappfer was born on 18 Oct 1736 in Böllenborn, Pfalz; was christened on 18 Oct 1736 in Böllenborn, Pfalz; died on 27 Oct 1737 in Böllenborn, Pfalz; was buried in Böllenborn, Pfalz.
8. Anna Barbara Stappfer was born on 22 Aug 1738 in Böllenborn, Pfalz; was christened on 22 Aug 1738 in Böllenborn, Pfalz; died on 31 Dec 1800 in Pleisweiler, Pfalz.
9. Maria Eva Stappfer was born on 17 Jun 1740 in Böllenborn, Pfalz; was christened on 18 Jun 1740 in Böllenborn, Pfalz.
10. Johannes Stappfer was born on 10 Dec 1742 in Böllenborn, Pfalz; was christened on 11 Dec 1742 in Böllenborn, Pfalz; died on 24 Apr 1744 in Böllenborn, Pfalz.