Family Relationship of

Samuel Pierpont Langley

Astronomer and Aviation Pioneer

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American Banker and Philanthropist

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John Thompson

Mary Thompson

Dorothy Thompson

Sarah Wise

Dorothy Parke

Joseph Williams

Martha Morgan

Joseph Williams

Mary Perkins

John Williams

Joseph Kirkland

John Williams

Gen. Joseph Kirkland

Sarah Backus

Mary Sumner Williams

Samuel Langley

Louisa Kirkland

Charles F. Tracy

Samuel Pierpont Langley

Astronomer and Aviation Pioneer

Frances Louisa Tracy

John Pierpont Morgan

J.P. Morgan, Jr.

American Banker and Philanthropist