Robert Duvall Cowles - Pedigree | FamilyCentral
 1852 - 1854
 6 Jan 1821 - 1907
 25 Jun 1824 - 1866
 1791/95 - 1873
 11 Jun 1795 - 1827
 13 Nov 1749 - 19 Dec 1801
 1754 - 1798
Family Group
Family Group
 20 Nov 1716 - 6 Jun 1793
 1732 - 1809