Konrad IX the Black
duke of Oleśnica, Koźle, half of Bytom and half of Ścinawa since 1450 (with his brothers as co-rulers), and since 1452 sole ruler over Oleśnica, Koźle and half of Bytom (–)
duke of Oleśnica, Koźle, half of Bytom and half of Ścinawa since 1450 (with his brothers as co-rulers), and since 1452 sole ruler over Oleśnica, Koźle and half of Bytom (–)