Ancestry of
Melvil Dewey

Inventor of the Dewey Decimal System

Joanna of Ponthieu

View famous kin of Joanna of Ponthieu

• • 19th Great-grandmother of Melvil Dewey — 22nd Generation
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  • 2685279 
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  • Ferdinand III, King of Castile
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  Eleanor of Castile (Ahnentafel No:1342639 )

• Sources for Joanna of Ponthieu

  • ¹ Browning, Charles H., ed., Americans Of Royal Descent, Philadelphia: Porter and Coates (1883), 287.