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
Philip Frederick of the Palatinate also of her widowed mother. In spite of repeated summonses, Prince Philip never appeared to answer the Dutch legal authorities. He became what Elizabeth had sworn that none of her sons should become, a soldier of fortune. Philip entered the military service of the Duke of Lorraine, with the rank of colonel. He was killed at the Battle of Rethel, on 16 December 1650, during the Fronde. His remains were returned to Sedan and were buried in the Church of Saint Charles. Philip Frederick of the Palatinate Philip Frederick of the Palatinate ("Prince Palatine John Philip Frederick", 16 September 1627