Renaud de Courtenay ( – September 27, 1194) (Anglicised to "Reginald") was a French nobleman of the House of Courtenay who came over to England, of Sutton, Berkshire. He can be said to be the founder of the English Courtenay family which became Earls of Devon in 1335. He was the son of Miles (Milo) de Courtenay and Ermengard de Nevers.
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