Family Relationship of

Samuel Pierpont Langley

Astronomer and Aviation Pioneer

Union Army - U.S. Civil War

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Robert Williams

Elizabeth - - - - - -

Stephen Williams

Isaac Williams

Joseph Williams

John Williams

Joseph Williams

Eunice Williams

John Williams

Lucy Gallup

John Williams

Eunice Eldredge

Mary Sumner Williams

Samuel Langley

Dr. George McClellan

Elizabeth Sophia Brinton

Samuel Pierpont Langley

Astronomer and Aviation Pioneer

General George B. McClellan

Union Army - U.S. Civil War