Jessel was born at Bearsted in Kent on 11 July 1934, the son of Winifred Levy (1905–1977) and Commander Richard Frederick Jessel, D.S.O. (1902–1988), a Royal Navy officer.
Jessel was born at Bearsted in Kent on 11 July 1934, the son of Winifred Levy (1905–1977) and Commander Richard Frederick Jessel, D.S.O. (1902–1988), a Royal Navy officer.