HD
Hawise de Quincy
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Hawise de Quincy was a daughter of Saer de Quincy, Earl of Winchester, one of the twenty-five sureties of Magna Carta, and she married Hugh, fourth Earl of Oxford, whose father was another. Two of the charter's guarantors meet in her marriage.
Research notes
✓ DOCUMENTED (standard CP account): HAWISE, dau. of SAER DE QUINCY, EARL OF WINCHESTER (Magna Carta surety - note-only, extendable), Countess of the 4th Earl of Oxford; mother of the 5th Earl. Two surety-baron descents meet in her children. Direct ancestress. Added 22 Jul 2026.