Did you mean: Duchy of Owls
Duchy of Oels
The Duchy of Oels or Duchy of Oleśnica was one of the duchies of Silesia with its capital in Oleśnica in Lower Silesia, Poland. Initially ruled by the Silesian Piasts, it was acquired by the Münsterberg dukes of the Podiebrad family from 1495 and... Wikipedia
Founded: 1313