By the Treaty of Birgham, it was agreed that Margaret should marry King Edward's then six-year-old son Edward of Carnarvon, though Scotland would remain free of English overlordship.
Segundo o tratado de Birgham, acordouse que Margarida debía casar co fillo de seis anos de Eduardo, Eduardo de Carnarvon, aínda que Escocia permanecería independente do señorío inglés.