Question: What is the date of death of Władysław Iii Spindleshanks's father?
Sentence (from "Władysław III Spindleshanks"): He was the fifth son of Mieszko III the Old, Duke of Greater Poland and since 1173 High Duke of Poland, but the third- born from his second marriage with Eudoxia, daughter of Grand Prince Iziaslav II of Kiev.
Relevant evidence: Yes