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,
Lord Byron in England.) He journeyed through Belgium and continued up the Rhine river. In the summer of 1816 he settled at the Villa Diodati by Lake Geneva, Switzerland, with his personal physician, the young, brilliant and handsome John William Polidori. There Byron befriended the poet Percy Bysshe Shelley, and Shelley's future wife Mary Godwin. He was also joined by Mary's stepsister, Claire Clairmont, with whom he had had an affair in London. Several times Byron went to see Germaine de Staël and her Coppet group, which turned out to be a valid intellectual and emotional support to Byron at the time.