Prince Henry, Duke of Gloucester of King George V and Queen Mary. His widow became the longest-lived member of the British royal family in history. Prince Henry was born on 31 March 1900, at York Cottage, on the Sandringham Estate during the reign of his great-grandmother Queen Victoria. His father was the Duke of York (later King George V), the eldest surviving son of the Prince and Princess of Wales (later King Edward VII and Queen Alexandra). His mother was the Duchess of York (later Queen Mary), the only daughter of the Duke and Duchess of Teck. At the time of his birth, he was
Crown of Queen Elizabeth The Queen Mother it to be worn as a circlet or open crown. It is the only crown for a British king or queen to be made of platinum. The crown is decorated with about 2,800 diamonds, most notably the Koh-i-Noor in the middle of the front cross, which was acquired by the East India Company after the Anglo-Sikh Wars and presented to Queen Victoria in 1851, and a 17-carat (3.4 g) Turkish diamond given to her in 1856 by Abdülmecid I, sultan of the Ottoman Empire, as a gesture of thanks for British support in the Crimean War. The Koh-i-Noor became a