The Earl of Snowdon and the Countess of Snowdon
Harry’s cousins David Armstrong-Jones, Earl of Snowdon and Serena Armstrong-Jones, Countess of Snowdon will likely attend with their children Charles and Margarita. David Armstrong-Jones was born on November 3rd, 1961, and is the oldest child of Princess Margaret, the Queen’s late sister. He is the chairman of the auction house Christie’s UK. He married Serena Armstrong-Jones (n?e Stanhope), an English-Irish aristocrat, in 1993.