MD
Maud de Lacy
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Maud de Lacy was a daughter of John de Lacy, Earl of Lincoln, himself one of the twenty-five sureties of Magna Carta, and she married Richard de Clare, fifth Earl of Hertford and Gloucester.
Research notes
✓ DOCUMENTED (Entered 23 Jul 2026 under the relaxed rule (standard, undisputed peerage/royal account; provenance so noted).): MAUD DE LACY, dau. of John de Lacy, EARL OF LINCOLN (Magna Carta surety - note-only) by Margaret de Quincy; Countess of the 5th Earl of Gloucester/Hertford; mother of Thomas of Thomond (our line). Direct ancestress. Added 23 Jul 2026.