He was predeceased by his wife , Mary Margaret MacKillop , whom he had married on 17 September 1867 .
He was survived by their only child , Elinor Mary de Winton .
He was predeceased by his wife , Mary Margaret MacKillop , whom he had married on 17 September 1867 , and he was survived by their only child , Elinor Mary de Winton .