His eldest son, the sixth Marquess, was a Conservative politician and prominent athlete and sports official. He won the 400-metre hurdles at the 1928 Summer Olympics and was later President of the International Amateur Athletic Federation and Vice-President of the International Olympic Committee. Lord Exeter also represented Peterborough in the House of Commons and served as Governor of Bermuda. He died without surviving male issue and was succeeded by his younger brother, the seventh Marquess. He was proprietor of a cattle ranch at 100 Mile House, British Columbia, in Canada. In 1954 he became head of the Emissaries of Divine Light, an obscure religious group. the titles are held by his only son, the eighth Marquess, who succeeded in 1988. He operates the ranch; from 1988 to 1996 he also headed the Emissaries of Divine Light.