Background
She was the daughter of Duke Conrad II of Znojmo and his Serbian wife Maria of Rascia (daughter of Uroš I).
She was the daughter of Duke Conrad II of Znojmo and his Serbian wife Maria of Rascia (daughter of Uroš I).
Helen married the Casimir II the Just, youngest son of Bolesław III Wrymouth, probably shortly after his return from captivity. When on 1 May 1194 Helen"s husband died, presumably as a result of a heart attack, he left her with their two minor sons on whose behalf she took regency of Lesser Poland and Masovia with blessings from Bishop of Krakow Fulko and Krakow Voivode. Bloody stocks, which were the culminating moment of the Battle of Mozgawa between Helen and Mieszko, it lasted until 1198 when they reached an agreement with Duke of Greater Poland.
Independent authority over the inheritance was taken on by Leszek the White who took over in 1199 or 1200.
The great political and intelligent Helen testied words written in the chronicle of Vincent Kadlubek, who certainly knew the princess in person. According to him Helen was "a woman with greater wisdom than usually women have".
Helen of Znojmo died between 1202 and 1206, probably on April 2.