 Following the death of Thomas the Elder in 1924, Grace took up residence with Arthur and Ada Mackarness at Petersfield.Thomas the Younger kept up with his biological mother until her death in 1932.Orde-Lees was educated at Marlborough College, the Royal Naval Academy at Gosport (whose headmaster was Ada's brother-in-law, Frederick George Johnson) and the Royal Military College, Sandhurst.