Web Reference: Hugh Rupert Courtenay, 18th Earl of Devon, DL (5 May 1942 – 18 August 2015), styled as Lord Courtenay until 1998, of Powderham Castle in Devon, was a British peer, landowner, and surveyor. Aug 18, 2015 · Hugh Rupert Courtenay, 18th Earl of Devon was born on 5 May 1942. 1 He was the son of Charles Christopher Courtenay, 17th Earl of Devon and Sybil Venetia Taylor. 1 He married Dianna Frances Watherston, daughter of Jack G. Watherston, on 9 September 1967. 1 He died on 18 August 2015 at age 73. 2 Mar 16, 2026 · Hugh Rupert Courtenay, 18th Earl of Devon, DL (5 May 1942 – 18 August 2015), styled as Lord Courtenay until 1998, of Powderham Castle in Devon, was a British peer, landowner, and surveyor.
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