 He "turned her [his wife] out" after he discovered that she had been having an affair with Colonel Maurice Buckmaster, head of the French section of the Special Operations Executive.They were divorced in 1942, and she married Buckmaster.Stevenson married his second wife, Rosalind Monica Wagner, the sister of Anthony Wagner, in 1947, and together they had a son – who also became a barrister – and a daughter.