Gertrude of Poland Polish princess and astrologer (1025–1108) (1025–1108) Parents Richeza of Lotharingia Mieszko II Children Yaropolk Izyaslavich Sviatopolk II of Kiev Mstislav Izyaslavich Siblings Casimir I the Restorer Richeza of Poland, Queen of Hungary Agatha, wife of Edward the Exile Partners Iziaslav I of Kiev
