Question: Who is the paternal grandmother of Gertrude Of Poland?
Sentence (from "Gertrude of Poland"): In 1043, Gertrude married Iziaslav I of Kiev, with whom she had two sons: Yaropolk Iziaslavich and Mstislav, and a daughter, Eupraxia, who later married Mieszko Bolesławowic of Piast dynasty, the Prince of Kraków.
Relevant evidence: No