Family Relationship of

Samuel Pierpont Langley

Astronomer and Aviation Pioneer

[What does "times removed" mean?]

America's First Spy

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Thomas Ford

Joanna Ford

Abigail Ford

Samuel Clap

Thomas Strong

Elizabeth Clap

Joseph Strong

Samuel Sumner

Joseph Strong

Mary Sumner

Elizabeth Strong

John Williams

Nathan Hale

America's First Spy

Mary Sumner Williams

Samuel Langley

Samuel Pierpont Langley

Astronomer and Aviation Pioneer