Casimir I the Restorer not supported by modern historians. Regardless, he left church work for good in 1031. Casimir's father, Mieszko II, was crowned King of Poland in 1025 after the death of his father Bolesław I the Brave. However, the powerful magnates of the country feared a strong central government like the one that existed under Bolesław I's rule. This led to considerable friction between the King and the nobility. Taking advantage of the King's precarious situation, Mieszko II's older half-brother Bezprym and younger brother Otto turned against him and allied themselves with the Holy Roman Emperor Conrad II, whose forces attacked Poland
Ludmila (wife of Mieszko I Tanglefoot) a minority hypothesis that Ludmila was daughter of Soběslav I, Duke of Bohemia, Conrad II, Duke of Znojmo or Vladimir, Duke of Olomouc. Ludmilla contributed to the foundation of the Norbertine monastery in Rybnik, who was later transferred to Czarnowąsy. Mieszko and Ludmila had the following children: Ludmila (wife of Mieszko I Tanglefoot) Ludmila (d. October 20 after 1210) was the wife of Mieszko I Tanglefoot. Her origins are disputed. Mieszko I Tanglefoot married Ludmila between 1170-1178. Given her name, scientists think that Ludmila came from Bohemia, a member of the Přemyslid dynasty, since this was one of the only