Mabel Addington (died 1942) (d. 1942) Parents William Addington, 3rd Viscount Sidmouth Georgiana Susan Pellew Children Sir Norman Orr Ewing of Ballikinrain, 4th Bt. Violet Orr Ewing Mabel Orr Ewing Ernest Pellew Orr Ewing Siblings unknown daughter Addington Herbert Hiley Stafford Addington Francis Charles Bathurst Addington Gerald Anthony Pellew Bagnall Addington, 4th Viscount Sidmouth Alice Mary Addington Harold William Addington Ursula Georgiana Addington Eveline Addington Partners Sir Archibald Orr Ewing of Ballikinrain, 3rd Bt.