But his enemies increased in power, and about 1194 he was driven from Wales by the partisans of his half-brother Llewelyn ab Iorwerth.
When Simon turned the native Welsh prince Llewelyn against the marcher barops, he gave great offence; he was accused of sacrificing Englishmen to a foreign enemy.
The only unsatisfactory part of the pacificatioI~ was that Llewelyn of Wales, who had ravaged the whole March while he was Montforts ally, was allowed to keep a broad region (the greater part of the modern shire of Denbigh) which he had won back from its English holders.
Llewelyn-ap-Gruffydd, the old ally of de Montfort, had come with profit out of the civil wars of 126366, and having won much land and more influence during the evil days of Henry III., was reluctant to see that his time of prosperity had come to an end, now that a king of a very different character sat on the English throne.
Llewelyn would not deign to appear before him to render the customary homage due from Wales to the English crown, but sent a series of futile excuses lasting over three years.