William Byron, 4th Baron Byron

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For other people named William Byron, see William Byron (disambiguation).
For other people titled Lord Byron, see Baron Byron.
The Lord Byron
Born 4 January 1669/70
Died 8 August 1736 (age 66)
Title 4th Baron Byron
Spouse(s) Lady Mary Egerton
Lady Frances Wilhelmina Bentinck
Hon. Frances Berkeley
Children Hon. George Byron
Hon. William Byron
Hon. William Henry Byron
Isabella, Countess of Carlisle
William Byron, 5th Baron Byron
Hon. John Byron
Hon. Richard Byron
Hon. George Byron
Parent(s) William Byron, 3rd Baron Byron
Hon. Elizabeth Chaworth

William Byron, 4th Baron Byron (4 January 1669/70 – 8 August 1736) was an English nobleman, politician, and Gentleman of the Bedchamber to Prince George of Denmark.


Byron was the son of William Byron, 3rd Baron Byron and the Hon. Elizabeth Chaworth. He succeeded to the title of 4th Baron Byron in 1695 upon the death of his father.

Lord Byron died on 8 August 1736, and was succeeded by his fourth (but oldest surviving) son William Byron, 5th Baron Byron (born 1722).


View of a Park with Deer, William Byron, 4th Baron Byron, Yale Center for British Art.

Lord Byron married Lady Mary Egerton, daughter of John Egerton, 3rd Earl of Bridgewater and Lady Jane Powlett, in 1702/3, but they had no children.

He married Lady Frances Wilhelmina Bentinck, daughter of Hans William Bentinck, 1st Earl of Portland and Anne Villiers, in 1706. They had three sons who died in childhood or infancy, and a daughter who died unmarried (and is here unnamed):

  • The Hon. George Byron (1707–1719)
  • The Hon. William Byron (1709–1709)
  • The Hon. William Henry Byron (1710–1710)

He married the Hon. Frances Berkeley, daughter of William Berkeley, 4th Baron Berkeley of Stratton and Frances Temple, in 1720. They had five children:

Styles of address[edit]

  • 1670-1679: Mr William Byron
  • 1679-1695: The Honourable William Byron
  • 1695-1736: The Right Honourable The Lord Byron


Peerage of England
Preceded by
William Byron
Baron Byron
Succeeded by
William Byron