 Complete the following phrase:  The duke remained a loyal follower of the Hohenstaufens and in May 1147 accompanied King Conrad on the Second Crusade. When they suffered a disastrous defeat at the Battle of Dorylaeum against the Seljuk Turks in October, Henry narrowly escaped together with Conrads nephew, young Frederick Barbarossa. Later on, he attended the Council of Acre along with king Conrad III and Frederick Barbarossa, then the 