Greater Poland ensured several privileges to the Church, and even expanded it. The second was about the infant son of Leszek I the White, Bolesław V: the new High Duke took over his guardianship and making him his general heir. At the same time he promised not introduce any new law without the consent of the nobility and clergy of Lesser Poland. In this way, for the first time, the royal power in Poland was made by election. Spindleshanks assumed the direct rule only over Kraków: the authority over Sandomierz was handed by Bolesław V's mother Grzymislawa, although formally, because at the end remained under the control of the High Duke. Election of Henry I the Bearded as Governor of Krakow Unfortunately, the political situation soon turned against Władysław Spindleshanks. His nephew Władysław Odonic, defeated and imprisoned by him, could escape to Płock and resume the war against him, which made the Duke of Greater Poland unable to prepare for the expected invasion against Konrad I of Masovia (who became now an ally of Odonic). Therefore, he decided with the approval of Kraków citizens (led by the powerful families of Odrowąż and Gryfici), to choose Silesian Duke Henry I the Bearded as ruler of the city, but only with the title of governor. Spindleshanks concession was given probably for the military support that Henry I give to him; in addition, the Silesian Duke obtain the promise of inheritance over Greater Poland, which was indeed a violation of the provisions contained in the Congress of Cienia, where Spindleshanks declared that Bolesław V was his heir. War against Konrad I of Masovia and Władysław Odonic Konrad I's military attack on Lesser Poland took place in the summer of 1228. The expedition, however, didn't bring success, because he was surprisingly attacked by Prince Henry, eldest son and heir of Henry I the Bearded, who successfully defeated the Masovian Duke in the Battles of Międzyborzem, Skałą and Wrocieryżem. Konrad didn't give up and one year later he again started military operations, this time with better results, especially after the capture and imprisonment of Henry I after a supposed meeting in Spytkowice; this event successfully paralyzed the opponents of his late brother Leszek the White and Konrad managed to control most of Lesser Poland, although he released Henry I from captivity thanks to the efforts of his wife Hedwig of Andechs. Immediately, he deprived his