Who married Henry IX the Older?

Henryk IX Starszy (literally 'Henry IX the Elder'; probably between 1387 and 1392 – 11 November 1467) was Duke of Żagań-Głogów from 1397 to 1412 (as co-ruler with his brother), ruler of Szprotawa, Krosno Odrzańskie from 1412 to 1417, Świebodzin and half of Głogów (with his brothers as co-rulers), from 1417 ruler of Szprotawa, half of Głogów, from 1420 ruler of Kożuchów and Zielona Góra, from 1430 ruler of Krosno Odrzańskie and Świebodzin, and from 1446 Duke of Lubin.

He was the second son of Henry VIII the Sparrow, Duke of Głogów, by his wife Katharina, daughter of Duke Władysław of Opole.