Princess Marina of Greece and Denmark (Greek: Μαρίνα; 13 December [O.S. 30 November] 1906 – 27 August 1968), later Duchess of Kent, was a Greek and Danish princess by birth and a British princess by marriage. A granddaughter of King George I of Greece and Queen Olga, she was the daughter of Prince Nicholas of Greece and Denmark and Grand Duchess Elena Vladimirovna of Russia. In 1934, she married Prince George, Duke of Kent, the fourth son of King George V and Queen Mary. They had three children: Prince Edward, Princess Alexandra, and Prince Michael. She was widowed in 1942, when her husband was killed in a plane crash while on active service, and remained active in royal duties throughout her later life, attending public engagements across the Commonwealth, including the independence celebrations for Ghana and Botswana. She died in 1968, aged 61.