John Seymour, 4th Duke of Somerset

Duke of Somerset
The basics

Quick Facts

IntroDuke of Somerset
wasNoble
Work fieldRoyals
Gender
Male
Birth1646
Death29 April 1675 (aged 29 years)
Family
Mother:Frances Seymour, Duchess of Somerset
Father:William Seymour, 2nd Duke of Somerset
The details

Biography

John Seymour, 4th Duke of Somerset (before 1646 – 29 April 1675) was an English peer and MP.
He was the only surviving son of William Seymour, 2nd Duke of Somerset and Lady Frances Devereux and entered Grays Inn in 1666. He succeeded his nephew as the 4th Duke of Somerset in 1671. In 1656 he married Sarah, daughter and co-heiress of Sir Edward Alston and widow of George Grimston.
He was elected Member of Parliament for Marlborough in 1661.
He died in 1675, childless, and was buried in Salisbury Cathedral. He was succeeded by his cousin, Francis Seymour.

Ancestry

Ancestors of John Seymour, 4th Duke of Somerset
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Edward Seymour, 1st Duke of Somerset
 
 
 
 
 
 
 
Edward Seymour, 1st Earl of Hertford
 
 
 
 
 
 
 
 
 
 
 
Anne Stanhope
 
 
 
 
 
 
 
Edward Seymour, Lord Beauchamp of Hache
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Henry Grey, 1st Duke of Suffolk
 
 
 
 
 
 
 
Catherine Grey
 
 
 
 
 
 
 
 
 
 
 
Frances Brandon
 
 
 
 
 
 
 
William Seymour, 2nd Duke of Somerset
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Sir John Rogers
 
 
 
 
 
 
 
Sir Richard Rogers
 
 
 
 
 
 
 
 
 
 
 
Katherine Weston
 
 
 
 
 
 
 
Honora Rogers
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Sir Andrew Luttrell
 
 
 
 
 
 
 
Cecilia Luttrell
 
 
 
 
 
 
 
 
 
 
 
Margaret Wyndham
 
 
 
 
 
 
 
John Seymour, 4th Duke of Somerset
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Sir Richard Devereux
 
 
 
 
 
 
 
Walter Devereux, 1st Earl of Essex
 
 
 
 
 
 
 
 
 
 
 
Dorothy Hastings
 
 
 
 
 
 
 
Robert Devereux, 2nd Earl of Essex
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Sir Francis Knollys
 
 
 
 
 
 
 
Lettice Knollys
 
 
 
 
 
 
 
 
 
 
 
Lady Catherine Carey
 
 
 
 
 
 
 
Frances Devereux
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
William Walsingham
 
 
 
 
 
 
 
Sir Francis Walsingham
 
 
 
 
 
 
 
 
 
 
 
Joyce Denny
 
 
 
 
 
 
 
Frances Walsingham
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Henry St. Barbe
 
 
 
 
 
 
 
Ursula St. Barbe
 
 
 
 
 
 
 
 
 
 
 
Eleanor Lewknor
 
 
 
 
 
 

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