He married Kathleen Alice (died 1986), daughter of Robert Louis George Gunther, of 8, Prince's Gardens, S.W., and Parkwood, Englefield Green, Surrey,[4] in 1923; they divorced in 1933, having had two sons and two daughters:
Maj. Michael Godwin Plantagenet (7 Dec 1926-23 Aug 2001) married Lady Joanna Lambart, daughter of Field Marshal Frederick Lambart, 10th Earl of Cavan and Lady Hester Byng. They had to sons, and two daughters.
John Ralph (25 Mar 1930-5 Jan 2017) married firstly Virginia Hordern, and together had one daughter. He later married Caroline Honor O'Dwyer, and together they had two daughters.
Stourton married secondly Gladys Leila (died 1953), daughter of Sir William James Waldron,[6] in 1934, and divorced in 1947.[3] John Stourton died in 1992 in Eastbourne, Sussex aged 92.[7]