Lilibet "Lili" Diana Mountbatten-Windsor (born 4 June 2021) is the younger child and only daughter of Prince Harry, Duke of Sussex, and Meghan, Duchess of Sussex and the younger sister of Archie Mountbatten-Windsor. She is the eleventh great-grandchild of Queen Elizabeth II and Prince Philip, Duke of Edinburgh, and is eighth in the line of succession to the British throne.