Who is Lady Sarah Chatto, Queen Elizabeth’s beloved niece? The low-key British royal is the daughter of Princess Margaret, and she attended the Platinum Jubilee with Meghan Markle and Prince Harry

• She appeared at Ladies Day at Royal Ascot, attended Prince Philip’s funeral and was a bridesmaid at the 1981 wedding of Prince Charles and Princess Diana
• Lady Sarah is married to artist and former actor Daniel Chatto, with whom she has two sons, Samuel, the arty one, and Arthur, who is more athletic and currently serving in the Royal Marines