Frederick I of Liegnitz
Frederick I of Liegnitz , was a Duke of Chojnw and Strzelin from 1453, of Oawa and Legnica from 1454, of Brzeg from 1481 and of Lubin from 1482.
Frederick was born in Brzeg. He was the only son of John I, Duke of Lubin, by his wife Hedwig, daughter of Ludwik II of Brzeg.
Source: Wikipedia