SP
Sir Peter FitzHerbert
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About
Peter FitzHerbert (c.1163–1235), Lord of Blaen Llyfni and of Brecknock, a baron of King John's reign named in Magna Carta's circle.
Research notes
✓ DOCUMENTED (Wikipedia 'Peter FitzHerbert', web-confirmed 7 Aug 2026): son of Herbert FitzHerbert and Lucy of Hereford; his second wife was Isabel de Braose. Only the paternal line to Lucy of Hereford is wired here. Added 7 Aug 2026 (cheap-win audit): a documented rung previously left as a floor. Direct-ancestor line only; collateral kin not wired.