Konrad IX the Black | |
|---|---|
| Duke of Oleśnica, Koźle | |
 Coat-of-arms of Silesia | |
| Born | c. 1415 |
| Died | 14 August 1471 |
| Noble family | Silesian Piasts of Oleśnica |
| Spouse(s) | Margareta of Rawa |
| Issue | Barbara of Oleśnica |
| Father | Konrad V Kantner |
| Mother | Margareta |
Konrad IX the Black (Polish: Konrad IX Czarny) (c. 1415 – 14 August 1471) was a duke ofOleśnica,Koźle, half ofBytom and half ofŚcinawa since 1450 (with his brothers as co-rulers), and since 1452 sole ruler over Oleśnica, Koźle and half of Bytom.
He was the eldest son ofKonrad V Kantner, Duke ofOleśnica by his wife Margareta.
After his father's death in 1439 Konrad IX and his younger brotherKonrad 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. Konrad IX obtainOleśnica,Koźle and half ofBytom.
During the wars betweenBohemia andHungary, he initially supported KingGeorge of Poděbrady and paid homage to him with his brother Konrad X in 1459 in exchange for the confirmation of the possession of their father's Duchy; however, when the Hungarian troops entered inSilesia, Konrad IX and Konrad X repudied his alliance with Bohemia and paid homage to KingMatthias Corvinus.
In 1459 Konrad IX buy the half of the Duchy ofBytom who belonged to theCieszyn branch[1] by the amount of 1,700 fines. Thanks to this, he could reunificated the whole Duchy of Bytom after almost 104 years.
By 1453 Konrad IX married withMargareta (b. 1441 – d. by 1 September 1485), daughter of DukeSiemowit V ofRawa. They had one daughter:
On his death, Konrad IX was succeeded by his brother in all his lands exceptOleśnica andBierutów, who were leave to his wife Margareta as herdower.
| Preceded by | Duke of Oleśnica 1450–1471 with Konrad X (1450-1452) | Succeeded by |
| Duke of Koźle 1450–1471 with Konrad X (1450-1452) | Succeeded by | |
| Duke of Ścinawa (1/2) 1450–1452 with Konrad X | ||
| Duke of Bytom (1/2) 1450–1459 with Konrad X (1450-1452) | Reunification | |
| Preceded by | Duke of Bytom (1/2) 1459 | |
| Preceded by — | Duke of Bytom 1459–1471 | Succeeded by |