Ancestry of
John McLean
U.S. Supreme Court Justice
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1st Generation
1. John McLean (1785–1861)
2nd Generation
2. Fergus McLean (c1747–1837)
3. Sophia Blackford (c1753–1839)
3rd Generation
6. Nathaniel Blackford (–c1764)
4th Generation
12. John Blackford (c1690–)