波列斯瓦夫三世
In 1092 Świętosława was left a widow and saw a struggle for the throne of Bohemia among the Přemyslids. In 1111, she assisted in negotiations between Vladislaus I and Bolesław III Wrymouth. After Vratislaus' death, she tried to soften clashes between their youngest sons Vladislaus and Soběslav.