Hugh Maxwell Casson was born on 23 May 1910, the son of Mary Caroline Man and Randall Casson. He died in London on 15 August 1999.  He married Margaret Troup on 9 November 1938. Margaret was born on 26 September 1913 in Huntley, Aberdeenshire.  Margaret died in London in 1999. Hugh and Margaret belong to Generation Seven, their three living children belong to Generation Eight.