Konrad IX the Black was a Duke of Oleśnica, Koźle, half of Bytom and half of Ścinawa since 1450, and since 1452 sole ruler over Oleśnica, Koźle and half of Bytom.
Background
He was the eldest son of Konrad V Kantner, Duke of Oleśnica by his wife Margareta. After his father"s death in 1439 Konrad IX and his younger brother Konrad X were excluded from the government by their uncle Konrad VII the White, who reigned until 1450, when was deposed by both Konrad IX and Konrad X, who co-ruled for the next two years, until 1452, when was made the division of the Duchy.
Career
Konrad IX obtain Oleśnica, Koźle and half of Bytom. In 1459 Konrad IX buy the half of the Duchy of Bytom who belonged to the Cieszyn branch by the amount of 1,700 fines. Thanks to this, he could reunificated the whole Duchy of Bytom after almost 104 years.
