Żagań, first mentioned in a 1202 deed, then
belonged the Duchy of Lower Silesia at Wrocław under the rule of the Piast duke
Henry I the Bearded. In 1251 it was part of the newly created Duchy of Głogów
under Henry's grandson Konrad I. After Konrad's death in 1274, his heirs again
divided the duchy and the castle of Żagań became the residence of his youngest
son Przemko of Ścinawa, Duke of Żagań from 1278, who established a monastery of
the Augustinian Canons here. Thus the Duchy of Żagań came into the existence.
In 1284 he swapped his estates for the Duchy of Ścinawa and was succeeded by
