John Buchanan
1727 - 1763 (36 years)(
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- 1 John Buchanan [1] b. 1727 d. 1763
- Jane Trindle Russell
- 2 James Buchanan [1.1] b. 1761 d. 1821
- Elizabeth Speer
- 3 15 President of the United States James Buchanan [1.1.1] b. 23 Apr 1791 d. 1 Jun 1868
- 3 15 President of the United States James Buchanan [1.1.1]
- 2 James Buchanan [1.1]