Background
He was the only surviving son of William Seymour, 2nd Duke of Somerset and Lady Frances Devereux and entered Grays Inn in 1666.
He was the only surviving son of William Seymour, 2nd Duke of Somerset and Lady Frances Devereux and entered Grays Inn in 1666.
He died in 1675, childless, and was buried in Salisbury Cathedral.
Cavalier Parliament]
He was elected Member of Parliament for Marlborough in 1661.