The common government of Wenceslaus I's sons lasted until 1474, when was made the formal division of the Duchy in two parts: Jan V, together with Władysław, received the western part of Skawa River.
In 1474 was made the formal division of the Duchy of Zator in two parts: Wenceslaus II and Casimir II received the eastern part of the Skawa River.
Four years later, in 1477, was made the formal division of the Duchy in two parts: Władysław and Jan V took the western part of the Skawa River.
Skawa |