John George Lambton, 3rd Earl of Durham KG GCVO PC (19 June 1855 โ 18 September 1928), known as Viscount Lambton until 1879, was a British peer. Durham was the eldest twin son of George Lambton, 2nd Earl of Durham, and his wife Lady Beatrix Frances, daughter of James Hamilton, 1st Duke of Abercorn. His grandfather was the statesman and colonial administrator, John Lambton, 1st Earl of Durham, and his great-grandfather was Prime Minister Charles Grey, 2nd Earl Grey. From 1919 to 1928 he served as chancellor of the University of Durham.