Dobroniega of Poland 12th-century Polish princess (1128–1160) Parents Salomea of Berg Bolesław III Wrymouth Children Konrad von Landsberg Gertrude von Landsberg und Niederlausitz Siblings Agnes of Poland Judith of Poland Bolesław IV the Curly Casimir II the Just Leszek Bolesławowic Mieszko III the Old Władysław II the Exile Richeza of Poland, Queen of Sweden Henry of Sandomierz Adelheid of Poland Partners Theodoric I