Lady Angela Scott Engaged - Duchess of Gloucester's Sister: This is Lady Angela at her sister's wedding The Duchess of Gloucester. Lady Angela Scott has become engaged to Lt-Commander Peter Dawnay. R. N. Lady Angela is 5th and youngest daughter of the late Duke of Buccleuch and a sister of Duchess of Gloucester, and was born in 1906. Her fiance is the second son of Lady Susan Dawnay and of the late Major the Hon. Hugh Dawnay who lost his life in the Great War. He is one of four brothers the eldest of whom married Lady Katherine Beresford daugh­ter of the 5th Marquess of Waterford and the youngest Lady Elizabeth Grey younger daughter of Earl Grey. May 03, 1937. (Photo by Hay Wrightson).