Wikipedia
Czimislav
Czimislav was a 9th-century King of the Lusatian Serbs (Sorbs). The Saxons won a battle at Kesigesburg and Czimislav was killed in 840. He was part of the Colodici, a Sorbian sub-tribe.. He was of the Colodici (Polish=Kołodziej) family, the ancestors of the Piast dynasty.