Sheila Constance Portman (1927-2018) (1927–2018) Parents Edward Portman, 5th Viscount Portman Sybil Mary Douglas-Pennant Children James Holland-Hibbert Henry Holland-Hibbert, 7th Viscount Knutsford Siblings Rosemary Portman Partners Michael Holland-Hibbert, 6th Viscount Knutsford