Knox avers that the besiegers of St. Andrews Castle, despairing of their task, near the end of January 1547 made a fraudulent truce with the assassins, hoping for the betrayal of the castle, or of some of the leaders. {23b} In his narrative we find partisanship or very erroneous information. The conditions were, he says, that (1) the murderers should hold the castle till Arran could obtain for them, from the Pope, a sufficient absolution; (2) that they should give hostages, as soon as the absolution was delivered to them; (3) that they and their friends should not be prosecuted, nor undergo any legal penalties for the murder of the Cardinal; (4) that they should meanwhile keep the eldest son of Arran as hostage, so long as their own hostages were kept. The Government, however, says Knox, "never minded to keep word of them" (of these conditions), "as the issue did declare." There is no proof of this accusation of treachery on the part of Arran, or none known to me. The constant aim of Knox, his fixed idea, as an historian, is to accuse his adversaries of the treachery which often marked the negotiations of his friends. From this point, the truce, dated by Knox late in January 1547, he devotes eighteen pages to his own call to the ministry by the castle people, and to his controversies and sermons in St. Andrews. He then returns to history, and avers that, about June 21, 1547, the papal absolution was presented to the garrison merely as a veil for a treasonable attack, but was rejected, as it included the dubious phrase, Remittimus irremissibile--"We remit the crime that cannot be remitted." Nine days later, June 29, he says, by "the treasonable mean" of Arran, Archbishop Hamilton, and Mary of Guise, twenty-one French galleys, and such an army as the Firth had never seen, hove into view, and on June 30 summoned the castle to surrender. The siege of St Andrews Castle, from the sea, by the French then began, but the garrison and castle were unharmed, and many of the galley slaves and some French soldiers were slain, and a ship was driven out of action. The French "shot two days" only. On July 19 the siege was renewed by land, guns were mounted on the spires of St. Salvator's College chapel and on the Cathedral, and did much scathe, though, during the first three weeks of the siege, the garrison "had many prosperous chances." Meanwhile Knox prophesied the defeat of his associates, because of "their corrupt life." They had robbed and ravished, and were probably demoralised by Knox's prophecies. On the last day of July the castle surrendered. {24} Knox adds that his friends would deal with France alone, as "Scottish men had all traitorously betrayed them."