Education
Knatchbull was educated at Eton College and the Royal Military College, Sandhurst, and served in the Grenadier Guards during the Second World War.
Knatchbull was educated at Eton College and the Royal Military College, Sandhurst, and served in the Grenadier Guards during the Second World War.
He was wounded and captured by the Germans in Italy in 1943. On his way to captivity in Germany he tried to escape from the prison train at Bronzolo, a village in South Tyrol, together with Arnold Guy Vivian, a fellow officer in the 6th Battalion, Grenadier Guards. Both were recaptured and executed by the Steamship in Bronzolo on 15 September 1943.