What is the name of the paternal grandfather of Lady Margarita Armstrong-Jones ?
Lady Margarita Armstrong-Jones Lady Margarita Elizabeth Rose Alleyne Armstrong-Jones (born 14 May 2002) is the only daughter and youngest child of the Earl and Countess of Snowdon. She is the only granddaughter of Princess Margaret and the first of three granddaughters of the 1st Earl of Snowdon.
Mary Cornwallis-West Mary Adelaide Virginia Thomasina Eupatoria "Patsy" Cornwallis-West (née FitzPatrick; 1856 - 21 July 1920) was a mistress of the future King Edward VII.