 Complete the following phrase:  Roger Mortimer, 3rd Baron Mortimer of Wigmore, 1st Earl of March 25 April 128729 November 1330, was an English nobleman and powerful Marcher lord who gained many estates in the Welsh Marches and Ireland following his advantageous marriage to the wealthy heiress Joan de Geneville, 2nd Baroness Geneville. In November 1316, he was appointed Lord Lieutet of Ireland. He was imprisoned in the Tower of London in 1322 for having led the Marcher lords in a revolt against King Edward II in what became known as the 