Born Margaret Rose at Glamis Castle in Scotland. Sister of Queen Elizabeth II. Married to Antony Armstrong-Jones, Lord Snowdon. On at least one occasion she illustrated the design for the London Zoo aviary with the use of a stocking, quickly taken off for the purpose (an anecdote from William Mitchell's book Self-Portrait: the Eyes Within).
Roddy Llewellyn had an eight-year relationship with Princess Margaret. "Have you heard that Roddy Llewellyn has taken up acting?" "He's got a small part in Charlie's Aunt".