The four years 1461-64 were occupied by the final crushing out of the civil war by the strong hand of the King-maker. The task proved longer than might have been expected, owing to the desperate efforts which Queen Margaret made to maintain her son's cause. After Towton nothing remained to her but some castles in Northumberland and Wales, but she bought the aid of the Scots by ceding Berwick, and obtained men and money from Lewis XI., the young King of France. That astute prince thought that a weak and divided England was the best security for the safety of France, and doled out occasional help to the queen in consideration of a promise to surrender Calais. Warwick captured all the Northumbrian strongholds of the house of Percy,--Bamborough, Alnwick, and Dunstanborough--in 1462. But the North was thoroughly disaffected to the new king, and they were twice retaken by treachery when the queen, with her French and Scottish friends, appeared before them. In her third campaign she was aided by a rising of all the Lancastrians who had submitted to King Edward and been pardoned by him, headed by the Duke of Somerset, the son of him who fell at St. Albans. But the two battles of Hedgeley Moor and Hexham (April-May, 1464) crushed the last desperate effort of the northern Lancastrians: at the former fell Sir Ralph Percy, the last chief of the Percy clan who clung to the lost cause; at the second the Duke of Somerset was taken and executed. Both fights were won by Lord Montagu, the younger brother and lieutenant of the great Earl of Warwick. By June, 1464, Warwick himself stamped out the last embers of resistance by the second capture of Bamborough, the sole surviving Lancastrian stronghold in England. The King-maker returned in triumph to London, and could report to his master that he had completely pacified England, and had also concluded an advantageous treaty with the Scots. He proposed to finish his work by making terms with the King of France, the last supporter of the Lancastrian cause, with whom Margaret and her young son had sought refuge. For this purpose he advised King Edward to endeavour to ally himself with some princess among the kinswomen of Lewis XI. [Sidenote: =Marriage of Edward.=] It was from this point that the breach between Edward and his great minister began. When pressed to marry, the king announced--to the great surprise and annoyance of Warwick and the rest of his council--that he was married already. He had secretly espoused Elizabeth, daughter of Richard Woodville, Lord Rivers, a staunch Lancastrian, and widow of Sir John Grey, another Lancastrian, who had fallen at St. Albans. She was some years older than Edward, and had a family by her first husband. But her beauty had captivated the susceptible young king, and he had married her in secret, in order to avoid the opposition of his family and his councillors. [Sidenote: =Breach between Warwick and Edward.=]