Isaac M. Younkin - Pedigree | FamilyCentral
 Apr 1868 -
 Mar 1838 -
 Nov 1843 -
 7 Feb 1801 - 18 Apr 1874
Family Group
 9 Oct 1773 - 20 Jul 1859
Family Group
 31 Jan 1717 - 20 Feb 1787
 Jul 1736 - 1825