BOOK IV. tells how Parzival came to Pelrapär, and found it

besieged by sea and land, and the folk wasted by famine. How Queen Kondwiramur besought his aid; how he overthrew Kingron, and sent him to the court of King Arthur. How Parzival wedded the Queen; and of the wrath of King Klamidé when he heard the tidings. How the Burgers defended Pelrapär against their foemen; how Klamidé challenged Parzival to single combat, and was overthrown; and how he came to the court of King Arthur at Dianasdron. Of the love of Parzival and Kondwiramur; and how the hero parted from his wife, and went in search of knightly venture.