Both powers were equally eager for English aid.

Lewis despatched an envoy to prolong the truce from his camp on the Somme, and proposed to renew negotiations for a marriage treaty by seeking the hand of Edward's sister, Margaret, for a French prince.

Though "the thing which Charles hated most," as Commines tells us, "was the house of York," the stress of politics drew him as irresistibly to Edward.

His wife, Isabella of Bourbon, had died during the war of the League, and much as such a union was "against his heart," the activity of Lewis forced him at the close of 1466 to seek to buy English aid by demanding Margaret's hand in marriage.
[Sidenote: The two Alliances] It is from this moment that the two great lines of our foreign policy become settled and defined.

In drawing together the states of the Low Countries into a single political body, the Burgundian Dukes had built up a power which has ever since served as a barrier against the advance of France to the north or its mastery of the Rhine.