Question: What is the date of death of Conrad Ii, Duke Of Bavaria's mother?
Sentence (from "Agnes of Poitou"): Agnes of Poitou, also called Agnes of Aquitaine or Empress Agnes (– 14 December 1077), a member of the House of Poitiers, was German queen from 1043 and Holy Roman Empress from 1046 until 1056.
Relevant evidence: Yes