The queen’s other children — Prince Edward and Princess Anne — are traveling to or have already arrived at Balmoral Castle in Scotland, a royal source told CNN on Thursday. The Earl and Countess of Wessex travel to Balmoral. The Princess Royal is already at Balmoral, having undertaken engagements in Scotland this week, the royal source said. Prince Andrew, the Duke of York, is also traveling to Balmoral, a source close to the prince told CNN.