Thomas H. Cowan - Pedigree | FamilyCentral
 1808 - Aft 1870
 1774 - Aft 1850
 1780 - Abt 1851
 Abt 1731 - Aft 1789
 Abt 1734 - Aft 1807
 1688 - 1760
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  - Aft 1792
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