Daniel Chatto married which grandchild of King George VI?
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. She is a niece of Queen Elizabeth II and the youngest grandchild of King George VI and Queen Elizabeth The Queen Mother.
Lady Helen Taylor Lady Helen Marina Lucy Taylor (née Windsor; born 28 April 1964) is a daughter of Prince Edward, Duke of Kent and his wife Katharine, Duchess of Kent, and a great-granddaughter of King George V. She is a first cousin once removed of Elizabeth II. She is currently 40th in line of succession to the British Throne.