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 William Henry, Duke of Gloucester and Edinburgh House in London in 1805 and was succeeded as duke by his son William Frederick, who went on to marry his cousin Princess Mary in 1816, meaning that he and Sophia then received the style of Royal Highness. His peerages were gazetted on 17 November 1764. William was granted use of the arms of the kingdom, differenced by a "label argent of five points, the centre bearing a fleur-de-lys azure, the other points each bearing a cross gules". Prince William Henry, Duke of Gloucester and Edinburgh Prince William, Duke of Gloucester and Edinburgh, (William Henry; 25 November 1743 – 25