What is the name of the paternal grandfather of Lady Margarita Armstrong-Jones ?
David Armstrong-Jones, 2nd Earl of Snowdon David Albert Charles Armstrong-Jones, 2nd Earl of Snowdon (born 3 November 1961), styled as Viscount Linley until 2017 and known professionally as David Linley, is an English furniture maker and the former chairman of the auction house Christie's UK. The son of Princess Margaret, Countess of Snowdon, and of Antony Armstrong-Jones, 1st Earl of Snowdon, he is a grandson of King George VI and is 18th in line of succession to the British throne, the first in line who is not a descendant of Queen Elizabeth II.
Anastasia de Torby Countess Anastasia Mikhailovna of Torby, CBE (9 September 1892 – 7 December 1977), otherwise styled Lady Zia Wernher, was the elder daughter of Grand Duke Michael Mikhailovich of Russia, a grandson of Tsar Nicholas I of Russia, by Countess Sophie of Merenberg.