Bolesław of Bytom Duke of Koźle (1330–1355) (1330–1355) Parents Ludgarda von Mecklenburg Władysław of Bytom Children Elżbieta of Bytom-Koźle Euphemia of Bytom Bolka of Bytom Siblings Agnieszka Casimir of Koźle Euphemia of Bytom Partners Margareta of Sternberg