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
Duchess of Edinburgh exchange letters. Their engagement was officially announced on 9 July 1947. Before the marriage, Philip renounced his Greek and Danish titles, converted from Greek Orthodoxy to Anglicanism, and adopted the style "Lieutenant Philip Mountbatten", taking the surname of his mother's British family. Just before the wedding, he was created Duke of Edinburgh and granted the style "His Royal Highness". Elizabeth and Philip were married on 20 November 1947 at Westminster Abbey. It was announced in 1999, at the time of the wedding of Prince Edward, Earl of Wessex, that he would follow his father as Duke of Edinburgh. The title