Family Relationship of

Samuel Pierpont Langley

Astronomer and Aviation Pioneer

8th cousin 2 times removed to

[What does "times removed" mean?]

Calvin Coolidge

30th U.S. President

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Richard Clap

Christian - - - - - -

William Clap

Joan Channon

Nicholas Clap

Elizabeth - - - - - -

Roger Clap

Thomas Clap

Samuel Clap

Elizabeth Clap

Elizabeth Clap

Mercy King

Samuel Sumner

Elizabeth Winslow

Mary Sumner

Elizabeth Delano

John Williams

Jonathan Pinney

Mary Sumner Williams

Samuel Langley

Priscilla Pinney

Luther Franklin

Samuel Pierpont Langley

Astronomer and Aviation Pioneer

Abigail Pinney Franklin

Hiram Dunlap Moor

Victoria Josephine Moor

Col. John Calvin Coolidge

Calvin Coolidge

30th U.S. President