Family Relationship of

Samuel Pierpont Langley

Astronomer and Aviation Pioneer

[What does "times removed" mean?]

47th Governor of New York

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John Thompson

Mary Thompson

Bridget Thompson

Sarah Wise

Hannah Denison

Joseph Williams

Mercy Saxton

Joseph Williams

Elijah Dewey

John Williams

Martin Dewey

John Williams

Granville Dewey

Mary Sumner Williams

Samuel Langley

George Martin Dewey

Emma Bingham

Samuel Pierpont Langley

Astronomer and Aviation Pioneer

George Martin Dewey

Annie L. Thomas

Thomas Edmund Dewey

47th Governor of New York