Family Relationship of

Melvil Dewey

Inventor of the Dewey Decimal System

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Inventor of the Colt Revolver

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Richard Lyman

Hepzibah Lyman

Sarah Lyman

John Dewey

Hepzibah Marsh

Jonathan Dewey

Hepzibah Wadsworth

Aaron Dewey

Hezekiah Collyer

Eleazer Dewey

Margaret Collyer

David Dewey

Sarah Caldwell

Joel Dewey

Samuel Colt

Inventor of the Colt Revolver

Melvil Dewey

Dewey Decimal System