The son of Bolesław I and Eufemia, the daughter of Siemowit IV, the Prince of Mazovia, the niece of Władysław Jagiełło of Poland. He resided in the half of Głogów belonging to the Cieszyn Princes. In December 1444 he married Margaret, the daughter of Count Cilli and the widow of Count von Montfort, Herman III. He was a supporter of George of Podĕbrady, the King of Bohemia, for whom he fought at Wrocław. He was gravely wounded during the siege of the city on 1 October 1459 and died of his wounds on 14 February 1460. Władysław's wife, Margaret (+ 1480) and his brother, Prince Przemko, took over the rule of Głogów.
      Margaret emerged from her husband's shadow following his death. After taking over the rule of the half of Głogów belonging to the Cieszyn Princes she had to face considerable difficulties from outside the duchy. Prince Jan II of Głogów, laid claim to her possessions, simultaneously entering into a conflict with the Elector of Brandenburg who was making a claim for the part of the Duchy of Głogów belonging to Jan. Jan fled to the protection of the King of Hungary and Bohemia, Matthias Corvinus, who had become the undisputed lord of Silesia after establishing a truce in Muchobór Wielki with King Kazimierz Jagiellończyk of Poland and his son, the King of Bohemia, Władysław. This led firstly to a war between Prince Jan and Brandenburg (in the years 1478 to 1482) and in the meanwhile to a war between Jan and Margaret. In the late winter of 1480 Jan besieged Margaret, accusing her – not without justification – of supporting, albeit passively, the Elector of Brandenburg. Her interest in the Elector was motivated by the fear that if victorious, Jan would be tempted to deprive her of her right to rule. In spite of mediation by the Silesian States during the congress in Wysoka Cerkiew between 18 and 22 March 1480, Jan would not call off the siege, forcing Margaret to surrender on 1 May. Princess Margaret fled to nearby Góra, which also belonged to the Cieszyn Piasts. She did not survive her humiliation, dying there on 22 July 1480. She was buried in the collegiate church in Głogów where her tombstone can be seen.

(K. Jasiński, Rodowód, pp. 168-170, I. Panic, Księstwo, p. 57)