+Source.+--_Walter of Hemingburgh's Chronicle_, vol. ii., pp. 147-151. (English Historical Society Publications.) While such deeds were being wrought by the perfidious race of the Scots, those of the King's council who were with his son, seeing that great danger threatened not only the King in distant parts but the whole realm of England, urged the King's son, who was residing at London within the city walls for fear of rebellion, to request and require the Earl Marshal and the Earl of Hereford, who, as has been explained, had revolted from his father, to join him, in peace and love. So he sent letters, asking them to come to the Parliament which he was holding in the stead of his father at London on the tenth day of October. They acceded to the request of their new ruler and future Prince, and came on that day, though not defenceless, for they brought with them fifteen hundred horsemen and a great number of chosen foot-soldiers; they then refused to enter the city gates until they were allowed to station their own guards at each gate, in case, entering without weapons, they should be shut in like sheep in a fold. When this was granted them, they entered, and after much debate and deliberation, by the mediation of the venerable father, Master Robert of Winchelsea, Archbishop of Canterbury, of blessed memory, there was no other form of agreement than that the lord King himself should grant and confirm Magna Carta with certain additional articles, and the Charter of the Forest; and that he should promise to seek or exact in the future no aid or task from the clergy or people without the goodwill and assent of the Barons; and that he should set aside all bitterness against them and their associates. Finally, an agreement was drawn up in writing as follows: