Master Surname Index



Thomas Jefferson

Ancestry of
Thomas Jefferson

3rd U.S. President and Signer of the Declaration of Independence

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20th 21st 22nd Generation 23rd Generation

20th Generation

Sibyl Marshal Sibyl Marshal

 (c1201–a1238)

21st Generation

22nd Generation

23rd Generation

Gilbert Fitzgilbert de Clare

 (c1100–1147/48)
Isabel de Beaumont

 (c1102–c1172)
Dermot MacMurrough

 (1110–1171)
Mor O'Toole

 (c1114–1191)

24th Generation