1645. On the day on which the letter to Mary is dated, hearings were held in Parliament on the maintenance of the royal children; the composition of the servants, the amount required for the maintenance of the children and their court, as well as the place of their permanent residence were agreed. The Earl of Northumberland was asked to choose one of the royal residences, and he chose St. James's Palace, where Henry and Elizabeth were soon transferred. Also, the Earl managed to achieve a reduction in the number of protection of children for their comfort. In September, the prince's brother, the Duke of York, found himself in a difficult position: he was in Oxford, where the plague was creeping up, accumulated debts and lost all provisions. In a letter to his father, he asked permission to join his brother and sister in London. The prince did not wait for an answer from his father, but Parliament approved the move and the placement of the prince under the guardianship of the Earl of Northumberland and with a magnificent escort delivered the boy to St. James Palace. The Duke of York remained with his brother and sister until April 1648. Father's arrest and execution In March 1647, the Earl of Northumberland moved the royal children to Hampton Court Palace, but almost immediately they were recalled back to St. James Palace. At the same time, the Scots handed over Charles I to the English Parliament. According to the decision of Parliament, the King was to be placed under arrest in Caversham, and before leaving, Charles I, having learned how close his children were to him, asked to see them. In the summer of 1647, due to a new epidemic, the Earl of Northumberland was forced to transport the royal children from one residence to another and ended up staying at Syon House. In August, the arrested King was again transported to Hampton Court Palace, from where on the 23rd he was allowed to leave for Syon House and see his children there. On 31 August, the visit was repeated, and on 7 September, Henry, with his brother and sister, arrived at Hampton Court Palace to see their father. On one of these visits, the King insisted that his youngest son should not be subjected to religious pressure; it is not clear whether he feared the influence of Catholics or Protestants. At the