Samuel Pierpont Langley

Ancestry of
Samuel Pierpont Langley

Astronomer and Aviation Pioneer


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  • Sources for Mary Sumner Williams

    • 1 Roberts, Gary Boyd and William Addams Reitwiesner, American Ancestors and Cousins of The Princess of Wales, Baltimore: Genealogical Publishing Co., Inc. (1984), 46, Ancestry.com (Online Database).