William Seymour, 3rd Duke of Somerset (17 April 165212 December 1671) was the son of
Henry Seymour, Lord Beauchamp, and Mary Capell. As both his father and two elder uncles had predeceased him, he succeeded to the dukedom on the death of his grandfather
William Seymour.
He died in 1671, unmarried and childless and was succeeded by his paternal uncle
John Seymour.
References
1652 births
1671 deaths
503
William Seymour, 03rd Duke of Somerset
Marquesses of Hertford (1641 creation)
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