1911 Encyclopædia Britannica, Volume 21… (1911)
“ Fighting began along the upper Danube, and when indecision and want of funds had ruined the league's chances of success, Philip returned to Hesse and busied himself with seeking help from foreign powers; while in April 1547 John Frederick was captured at Muhlberg. After this defeat the landgrave was induced to surrender to Charles in June by his son-in-law, Maurice, now elector of Saxony, and Joachim II., elector of Brandenburg, who promised Philip that he should be pardoned, and were greatly incensed when the emperor refused to assent to this condition. ”
