Judith of Masovia Polish 13th century princess of Masovia (b. 1250) Parents Agafia of Rus Konrad I of Masovia Children Hedwig von Glogau Henryk IV Probus, Duke of Wrocław Siblings Casimir I of Kuyavia Siemowit I of Masovia Bolesław I of Masovia Eudoxia of Masovia Dubrawka of Masovia Partners Henry III the White Mieszko II the Fat