David F. Marken - Pedigree | FamilyCentral
 1834 - 1917
 3 Feb 1839 - 3 Feb 1887
 1 Jan 1815 - 2 Oct 1893
 10 Dec 1817 - 20 Apr 1889
 29 Mar 1785 - 30 Oct 1847
 17 Aug 1788 - 3 Jul 1863
 23 Oct 1787 - 10 Aug 1864
 Abt 1780 - 8 Sep 1853
 Abt 1740 - 1785
Family Group
 4 Apr 1749 - 30 Jun 1814
 26 May 1749 - 1811
 Abt 1755 - May 1805
 Abt 1749 - Oct 1828