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,
Mary, Queen of Scots took her into protective custody at Carlisle Castle. Mary apparently expected Elizabeth to help her regain her throne. Elizabeth was cautious, ordering an inquiry into the conduct of the confederate lords and the question of whether Mary was guilty of Darnley's murder. In mid-July 1568, English authorities moved Mary to Bolton Castle, because it was further from the Scottish border but not too close to London. A commission of inquiry, or conference as it was known, was held in York and later Westminster between October 1568 and January 1569. In Scotland, her supporters fought a civil war against Regent Moray