Captain Claude Peregrine Bertie was a pupil at Oakham School between 1902 and 1907. He joined the Royal Field Artillery but later transferred to 59 Squadron, Royal Flying Corps. The squadron was equipped with RE8s, two-seater biplanes used for artillery spotting and aerial reconnaissance. Claude was killed in action on 19 March 1917 aged 26. He is buried in grave I.C.8 of Mory Abbey Military Cemetery, France, and is remembered on the Oakham School memorial. Claude was the son of Lieutenant Colonel George and Blanche Bertie, who had homes in London and the Isle of Wight. There is a plaque to Claude's memory in Holy Trinity Church, Sloane Street, Chelsea.