Prince Philip, Duke of Edinburgh said that he would now slow down and reduce his duties, stating that he had "done [his] bit". His wife, the Queen, gave him the title Lord High Admiral for his 90th birthday. While staying at the royal residence at Sandringham, Norfolk, on 23 December 2011, the Duke suffered chest pains and was taken to the cardio-thoracic unit at Papworth Hospital, Cambridgeshire, where he underwent successful coronary angioplasty and stenting. He was discharged on 27 December. On 4 June 2012, during the celebrations in honour of his wife's Diamond Jubilee, Philip was taken from Windsor Castle to the King Edward
Prince Philip, Duke of Edinburgh in male line to the Danish House of Glücksburg, originally a cadet branch of the House of Oldenburg, which held several thrones and provided consorts to rulers of Russia and Great Britain in the 19th and 20th centuries. In 1993, scientists were able to confirm the identity of the remains of several members of Empress Alexandra of Russia's family, more than seventy years after their massacre in 1918, by comparing their mitochondrial DNA to living matrilineal relatives, including Prince Philip, her maternal grandnephew. Philip, Alexandra and her children are all descended from Princess Alice of the United Kingdom, the daughter