Question: What is the date of death of Stephen Of Greater Poland's father?
Sentence (from "Odon of Poznań"): Odon of Poznań, also known as Odon of Greater Poland and Mieszkowic,( – 20 April 1194) was a Duke of Greater Poland and Poznań during 1177 – 1182, and Duke of Kalisz from 1193 to 1194.
Relevant evidence: No