JD
John de Balliol
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John de Balliol of Barnard Castle (d.1268), whose penance for a quarrel with the Bishop of Durham founded what became BALLIOL COLLEGE, Oxford; father of King John Balliol (collateral) and of Eleanor.
Research notes
✓ DOCUMENTED FLOOR (web-confirmed 24 Aug 2026, standard accounts (Wikipedia/HoP/WikiTree convergent)): the Balliols of Bywell above him note-only. Added 24 Aug 2026.