Famous Kin of
John Langdon
Signer of the U.S. Constitution
Click on the names below to see their relationship charts
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Harriet Martineau
Author of The Hour and the Man
15th cousin 1 time removed
via Bartholomew de Badlesmere
Harriet Martineau
Author of The Hour and the Man
17th cousin 2 times removed
via Sir Humphrey de Bohun