sentences:  Historians have made several attempts to reconstruct the duke's Slavic name from the version recorded by a German chronicler, ""Žemužils"".Before the connection between the document from 1040 and the one from 1046 was made the name was variously rendered as "Ziemomysł" (by Oswald Balcer), "Siemosił" (by Aleksander Brückner) and even "Wszemysł" (this particular variant has been abandoned as a hypothesis).Zygmunt Wojciechowski in consultation with Slavicists considered ""Žemužilis"" to correspond to the diminutive form ""Siemysł"", short for ""Siemomysł"".