duty bound to render allegiance to the emperors and not to the princes of Bohemia. Thus the Emperor Frederick tried to divide the kingdom of Bohemia into two realms, one spiritual and the other secular.
Prince Frederick now tried to win the favor of the emperor by joining him in a crusade to the Holy Land; but he died before the preparations were completed. He was succeeded by Conrad Otto, of Znojem, who, up to this time, had ruled in Moravia. The emperor also died shortly after, while on the crusade, and his son Henry was clected to succeed him. He is known in history as Henry VI.
At the death of Frederick, Bohemia was plunged into the most fearful anarchy. Several princes of the Premysl family tried to win the throne, and in the struggle did not scruple to resort to the most unlawful and ignoble measures. At length the nobility elected Václav, the son of Sobeslav; and Premysl, the brother of Frederick, being the rival claimant, immediately went to Henry, the German emperor, promising him 6,000 pounds of silver if he would grant him the fief of Bohemia. Henry, following the example of his father, gladly accpted the offer, and Premysl, otherwise called Ottokar, became the ruler of Bohemia, Václav being compelled to give up the throne.
Ottokar being unable to raise so large a sum of money, the Bishop Bretislav was sent to the German court as security until the debt should be paid. Henry, however, soon became tired of Premysl Ottokar, and as he had the right to place him upon the throne, so now he claimed the right to depose him. Bretislav, the wily prelate, had succeeded in winning the favor of the emperor, and so was declared the ruler of Bohe-
