 Complete the following phrase:  In 1630 he accompanied Gustavus into Germany, in the Thirty Years War and in 1631 was appointed colonel of the yellow regiment, the kings world-renowned life-guards, at the head of which he captured the castle of Würzburg on October 8, 1631. Brahe took part in the long duel between Gustavus and Wallenstein around Nuremberg as general of infantry, and commanded the left wing at 