This preoccupation might have stemmed from his awareness of his non-royal lineage; his uncle, Charles of Valois, had long sought the throne but never succeeded. Early in his reign, Philip's actions were marked by attempts to assert his authority over Edward III, especially regarding Aquitaine. He demanded tribute from Edward, who complied but delayed a meeting at Amiens Cathedral. When they finally met, Edward's vague promises led to years of tension between the two monarchs. Edward, claiming a closer relation to the French throne as the nephew of the late king, asserted his right to the crown, regardless of the Salic law. Sets for Edward III's Military Edward III's military prowess was evident, inherited in part from his grandfather, Edward I, who had utilized the Welsh longbow effectively in his campaigns. The longbow's effectiveness in piercing armor was demonstrated in a Welsh campaign, where an arrow passed through a man-at-arms' thigh, between his iron cazas and leather tunic, and into the saddle, killing the