Dukes of Silesia
According to the statute, constitution or last will of the Polish duke Boleslaus the Wrymouth Poland was divided into the 4-5 hereditary provinces distributed among his sons, and a royal province of Cracow for the eldest to be the high-duke of all Poland.One of these provinces, Silesia was given to the Ladislaus the Exile the oldest son of Boleslaus, and subsequenly divided among his descendants and successors, until they died out in 1675
Duchy of Silesia
Duchy of Wroclaw
1327/1335 Duchy of Wroclaw falls to Bohemia
See also:
Duchy of Bielsko
Duchy of Bierutow
Duchy of Brzeg
Duchy of Bytom
Duchy of Chojnow
Duchy of Cieszyn
Duchy of Gliwice
Duchy of Glogow
Duchy of Glogowek
Duchy of Jawor
Duchy of Karniów
County of Klodzko
Duchy of Kozielsk
Duchy of Korzuchow
Duchy of Krosno
Duchy of Legnica
Duchy of Lubin
Duchy of Lwowek
Duchy of Namyslow
Duchy of Niemodlin
Eclessaitical Duchy of Nysa
Duchy of Olesnica
Duchy of Olawa
Duchy of Opawa
Duchy of Opole
Duchy of Oswiecim
Duchy of Raciborz
Duchy of Radziejow
Duchy of Strzelce
Duchy of Scinawa
Duchy of Swidnica
Duchy of Toszek
Duchy of Wielun
Duchy of Wolow
Duchy of Zator
Duchy of Ziebice
Duchy of Zagan






