He succeeded to the viscountcy when his brother, the
7th Viscount Clifden died in July 1966. Lord Clifden died in December 1974, aged 87. He had married Patience Mary Basset in 1920 but died without male issue, and upon his death all his titles, with the exception of the
barony of Mendip (inherited by a distant cousin,
Shaun Agar, 6th Earl of Normanton) became extinct. His body is interred at Lanhydrock Parish Church. His daughter Rachel married Captain Cromwell Lloyd-Davies, RN. ==References==