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.
Princess Helena Victoria of Schleswig-Holstein Princess Victoria Louise Sophia Augusta Amelia Helena of Schleswig-Holstein (3 May 1870 – 13 March 1948), known as Princess Helena Victoria, was a granddaughter of Queen Victoria of the United Kingdom.