Marian Bannatyne
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- 1 Marian Bannatyne [1]
- William Campbell b. 1635 d. 1718
- 2 Samuel Campbell [1.1] b. 1695 d. 1780
- Mary Hunter
- 3 Obadiah Campbell [1.1.1] b. Abt 1743 d. 18 May 1822
- Abigail _____
- 4 Ann Campbell [1.1.1.1] b. 3 Jan 1774 d. 6 Nov 1846
- Abner Allison b. 1769 d. 1827
- 5 Nancy Campbell Allison [1.1.1.1.1] b. 22 Apr 1809 d. 12 Dec 1897
- William McKinley, Sr b. 15 Nov 1807 d. 24 Nov 1892
- 6 25 President of the United States William McKinley, Jr [1.1.1.1.1.1] b. 29 Jan 1843 d. 14 Sep 1901
- 6 25 President of the United States William McKinley, Jr [1.1.1.1.1.1]
- 5 Nancy Campbell Allison [1.1.1.1.1]
- 4 Ann Campbell [1.1.1.1]
- 3 Obadiah Campbell [1.1.1]
- 2 Samuel Campbell [1.1]