Stirling Castle and expanded his father's building programme, creating the centrepiece of the castle, the Royal Palace, built under the direction of Sir James Hamilton of Finnart and masons brought from France. James V also died young, leaving unfinished work to be completed by his widow, Mary of Guise. His infant daughter, Mary, Queen of Scots, was brought to Stirling Castle for safety, and crowned in the chapel royal on 9 September 1543. She too was brought up here, until she was sent to Inchmahome Priory, and then to France in 1548. In the 1550s, during the Regency of Mary of Guise,
Henry Stuart, Lord Darnley Elder advocated Anglo-Scottish union through the marriage of Mary, Queen of Scots and Prince Edward. His advice to Henry VIII in 1543, was termed the "Advice of a Redshank". Another schoolmaster to the young heir was Arthur Lallart, who would later be interrogated in London for having gone to Scotland in 1562. Henry was said to be strong, athletic, skilled in horsemanship and weaponry, and passionate about hunting and hawking. His youthful character is captured somewhat in a letter of March 1554 to Mary I of England from Temple Newsam, where he writes about making a map, the "Utopia Nova",