Delia Mary Holland-Hibbert (1922-2017) (1922–2017) Parents Wilfrid Knutsford Holland-Hibbert Isabel Audrey Fenwick Children Mark William Cunningham Lavinia Mary Cunningham Jeremy James Cunningham Siblings Lavinia Holland-Hibbert Michael Holland-Hibbert, 6th Viscount Knutsford Partners William McGhie Cunningham