Gerald Humphry Legge, 9th Earl of Dartmouth FCA (26 April 1924 – 14 December 1997), styled Viscount Lewisham between 1958 and 1962, was a British peer and businessman.
On leaving Eton in 1942, he joined the Coldstream Guards as a captain and served with them until the end of the Second World War, having been mentioned in despatches.
He was subsequently a director of the Merchant Bank Rea Bros (based at Kings House, King Street) from 1958 to 1989, chairman of the Royal Choral Society from 1970 to 1992 and chairman of the Anglo-Brazilian Society from 1975 to 1994.
Lady Dartmouth later married the 8th Earl Spencer and became the stepmother of Lady Diana Spencer (later Princess of Wales), while Lord Dartmouth married Gwendoline May Seguin four years later.
[7] Lord Dartmouth died in 1997 and was succeeded by his oldest son, William.