William Byron, 4th Baron Byron September, 1757 in Twickenham, Middlesex. William Byron, 4th Baron Byron William Byron, 4th Baron Byron (4 January 1669/70 – 8 August 1736) was an English nobleman, politician, peer, 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). Lord Byron married Lady Mary Egerton,
Frances Byron, Baroness Byron little being known about Frances Berkeley's early years, she is identified in John Faber's graving of 1736, before the death of her first husband, Lord Byron. Historians have suggested that she married young because her father's letter refers to "a disproportionate match to their ages"; thus it is inferred that Lord Byron was a much older man; he is thought to have been at least thirty years older than Frances. During this marriage, Frances had six children, until Lord Byron's death on 8 August 1736. It was "through her second son John [that Frances was] the great-grandmother of Lord Byron,