The years of his minority featured an embittered struggle for the control of affairs between two rival parties, the one led by Walter Comyn, Earl of Menteith, the other by Alan Durward, Justiciar of Scotia. The former dominated the early years of Alexander's reign. At the marriage of Alexander to Margaret of England in 1251, Henry III of England seized the opportunity to demand from his son-in-law homage for the Scottish kingdom, but Alexander did not comply. In 1255 an interview between the English and Scottish kings at Kelso led to Menteith and his party losing to Durward's party. But though disgraced, they still retained great influence, and two years later, seizing the person of the king, they compelled their rivals to consent to the erection of a regency representative of both parties.