On 9 February 1915, he married Violet Miriam Nightingale Clay (–1978), daughter of Col. Charles Herbert Clay of the
Indian Army and Violet Harriet Nightingale (a daughter of
Sir Henry Nightingale, 13th Baronet). They divorced in 1982 and he married Sally June Stratford, a daughter of Robin Stratford, in 1982. Lord Vernon died at Sudbury Hall on 18 March 1963 at age 73. Four years after his death, his son John gifted the family seat,
Sudbury Hall, to the
National Trust in 1967.
Descendants Through his daughter Avice, he was a grandfather of Michael Francis Marten, who married Lady Caroline St Clair-Erskine (only daughter of
Anthony St Clair-Erskine, 6th Earl of Rosslyn) in 1991. ==References==