William Byron, 4th Baron Byron 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, daughter of John Egerton, 3rd
Lord Byron and the Blessingtons. Lady Blessington based much of the material in her book, "Conversations with Lord Byron", on the time spent together there. This book became an important biographical text about Byron’s life just prior to his death. Byron was living in Genoa when, in 1823, while growing bored with his life there, he accepted overtures for his support from representatives of the movement for Greek independence from the Ottoman Empire. At first, Byron did not wish to leave his twenty-two-year-old mistress Countess Teresa Guiccioli who had abandoned her husband to live with him; ultimately Guiccioli's father, Count Gamba was