Family Relationship of

Samuel Pierpont Langley

Astronomer and Aviation Pioneer

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Movie Actor

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William Sumner

George Sumner

William Sumner

Edward Sumner

Clement Sumner

Samuel Sumner

William Sumner

Mary Sumner

Thomas Sumner

John Williams

Sylvia Americana Sumner

Abram Shotwell

Mary Sumner Williams

Samuel Langley

Nancy Shotwell

Alvaro Ladd

Samuel Pierpont Langley

Astronomer and Aviation Pioneer

Oscar F. Ladd

Julia Henrietta Meigs

Alan Harwood Ladd

Selina Raleigh

Alan Ladd

Movie Actor