Rosse married
Anne Messel, daughter of Lieutenant-Colonel
Leonard Charles Rudolph Messel and
Maud Frances Sambourne, on 19 September 1935. They spent their honeymoon in China. They had two children: •
Brendan Parsons, 7th Earl of Rosse (born 21 October 1936), married Alison Margaret Cooke-Hurle, daughter of
Major John Davey Cooke-Hurle and had issue. •
Hon. Desmond Oliver
Martin Parsons (23 December 1938 – 16 July 2010), married Aline Edwina Macdonald, daughter of George Alexander Macdonald and had issue. Anne Messel, by her first marriage to
Ronald Armstrong-Jones, was the mother of
Antony Armstrong-Jones, 1st Earl of Snowdon, who in 1960 married
Princess Margaret, sister of
Queen Elizabeth II of the United Kingdom. ==Notes==