Historian, teacher and author Peter Welsh talks about his research into the Third Earl of Durham during the First World War, from promoting local recruitment, supporting horse racing and engaging in all types of war work. 

John George Lambton, 3rd Earl of Durham (1855-1928), 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.