Leonhard Zweifel - Pedigree | FamilyCentral
 18 Sep 1874 - 18 Dec 1874
 20 Aug 1845 - 6 Mar 1916
 24 Nov 1846 - 21 Jun 1935
 28 May 1814 - 19 Apr 1887
  - 9 Jun 1871
  - 19 Jul 1908
  - 26 Jan 1895
 14 Mar 1777 - 12 Apr 1861
 16 Mar 1791 -
 6 Dec 1758 - 23 Feb 1829
 9 Sep 1797 - 7 Aug 1859
 29 Sep 1799 - 18 Feb 1879
 20 Jan 1745 - 21 Dec 1820
  - 8 Jul 1808
  - 10 Sep 1826
 1755 -
  - 6 Aug 1814
 Abt 1725 -
 Abt 1725 -