But a more important enemy now made his appearance. Edward, who had been married to Philippa of Hainault in 1328, had now a son, afterwards the Black Prince, and therefore could not but feel that he had reached man’s estate. He was weary of the domination of Mortimer, and could hardly have looked with favour on the man who had killed his father and his uncle, and was now living in adultery with his mother. He determined to assume the reins of government, and, in alliance with the Barons, suddenly seized Mortimer during the sittings of the Parliament at Nottingham, and procured his speedy trial and execution. To the Queen he acted firmly but mercifully; he allowed her £3000 a year; he subsequently even increased this income, and during her lifetime paid her a yearly visit of ceremony, but he refused to allow her any influence in the government, and she passed the remaining twenty-seven years of her life in privacy at Risings Castle. [Sidenote: Edward’s healing measures.] The young King was satisfied with the vengeance he had taken, and proceeded by acts of leniency to heal party feeling, restoring the forfeited inheritances to the sons of those who had lately suffered, and extending his kindness to the wives even of Mortimer, and Gournay his father’s murderer. He made common cause with those nobles who had hitherto been discontented. Henry of Lancaster became a prominent member of his council; the great seal was placed in the hands of John of Stratford, the author of the bill of deposition in the last reign. [Sidenote: Balliol invades Scotland.] Edward’s attention was almost immediately drawn to Scotland. Robert Bruce had died in 1329, leaving his son David still a child, so that the government fell into the hands of a succession of regents. Scotland had been so closely connected with England, that many barons held property in both kingdoms. During the war of independence, these properties had naturally been confiscated on both sides. At the peace of 1328 they should have been restored. On the part of Scotland this was not done. The party of Balliol and of Comyn was by no means extinct, and the disinherited lords gathered round Edward Balliol, the son of John, who thus became the head of a formidable body of men, whose interests were strongly opposed to the government of the Bruces. They suddenly determined on an expedition to restore if possible Balliol to the throne. Sailing from Ravenspur in Yorkshire, Balliol and his friends landed at the mouth of the Tay, defeated, with much loss, the Regent at the battle of Duplin, pushed onwards towards Perth, and, while his English ships annihilated the Scottish squadron in the river, was crowned at Scone; thus in seven weeks from the time he left England he had apparently secured the crown. His repulse was almost as rapid as his success. In three months the friends of Bruce had rallied, and Balliol, unable to make head against them, had been driven from the country.