Captain Jefferson was the son of Thomas Elgie Jefferson and Evelyn E. S. Jefferson, of Ballahott, Ballasalla, Isle of Man; husband of Muriel Jefferson.
On 2nd October 1919, Flying Officer Frederick Hubert Guy Shepard AFC, of No.1 Communication squadron, Kenley, lost his life when his DH4 bi-plane, (K5783), suffered a mechanical failure during a flight to the North-East of England, and crashed in the Newcastle area.
