Princess Marina died in London more than 50 years ago, but in her time she was massively popular with the British public. She was the last foreign royal princess to marry into the British monarchy and at her wedding in 1934 to Prince George, the Duke of Kent, she boasted the future Elizabeth II as her youngest bridesmaid, and cousin. This programme lifts the lid on how Marina - a royal refugee with a shattered childhood - became a key player in Britain's most famous family