Ancestry of
Tammy Duckworth

U.S. Senator from Illinois

Katherine de Mortimer

View famous kin of Katherine de Mortimer

• • 19th Great-grandmother of Tammy Duckworth — 22nd Generation
  • Ahnentafel No:
  • 2632525 
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  • Spouse Name:
  • Thomas de Beauchamp
  • Marriage Date:
  • ABT 1337 
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  Philippa de Beauchamp

  William Beauchamp (Ahnentafel No:1316262 )

  Maud de Beauchamp

• Sources for Katherine de Mortimer

  • ¹ Mosley, Charles, editor, Burke's Peerage and Baronetage, 106th edition, Crans, Switzerland: Burke's Peerage (Genealogical Books) Ltd. (1999), 2944.
  • ² Weis, Frederick Lewis, et. al., The Magna Charta Sureties, 1215: The Barons Named in the Magna Charta, 1215 and Some of their . . ., 5th edition, Baltimore, Maryland: Genealogical Publishing Co., Inc. (Third Printing, 2006), 7, 101.