Daniel Chatto married which grandchild of King George VI?
Daniel Chatto: Daniel St George Chatto (born 22 April 1957), previously Daniel Chatto St George Sproule, is a British artist and former actor. Daniel Chatto:  He is the husband of Lady Sarah Chatto, the daughter of Princess Margaret, Countess of Snowdon, and niece of Queen Elizabeth II. Lady Sarah Chatto: Lady Sarah Frances Elizabeth Chatto (née Armstrong-Jones; born 1 May 1964) is the only daughter of Princess Margaret, Countess of Snowdon, and the 1st Earl of Snowdon. Lady Sarah Chatto:  She is a niece of Queen Elizabeth II and the youngest grandchild of King George VI and Queen Elizabeth The Queen Mother.
Lady Sarah Chatto