Sir Thomas Tresham went down to his estates in Kent, and there lived quietly for some months.

The Duke of Clarence had joined Warwick as soon as he saw that his brother's cause was lost; and as the Duke had no knowledge of his changed feelings towards him, he was heartily welcomed.

An act of settlement was passed by Parliament entailing the Crown on Henry's son Edward, Prince of Wales, and in case of that prince's death without issue, on the Duke of Clarence.

On the 12th of March following (1471) Edward suddenly appeared with a fleet with which he had been secretly supplied by the Duke of Burgundy, and, sailing north, landed in the Humber.

He found the northern population by no means disposed to aid him, but upon his taking a solemn oath that he had no designs whatever upon the throne, but simply claimed to be restored to his rights and dignities as Duke of York, he was joined by a sufficient force to enable him to cross the Trent.