SR
Sir Richard Sergeaux
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Sir Richard Sergeaux was a Cornish knight who married Philippe, a daughter and coheir of Sir Edmund de Arundel. Their daughter Alice became Countess of Oxford and is this family's ancestress.
Research notes
✓ DOCUMENTED (CP vol. X pp.235-36 + note a): SIR RICHARD SERGEAUX, of Cornwall (see Maclean, History of Trigg Minor); m. PHILIPPE, dau. and coheir of Sir Edmund de Arundel. Father of Alice, Countess of Oxford (our line). Direct ancestor. Added 22 Jul 2026.