With the reform Papacy and the dictatus Papae extending the proclamation of the Pax Dei many, seeking to escape the expanding horrors of The Investiture Struggle fled to the north and east, out of the Holy Roman Empire and beyond (they thought) the arm of the Church.
With the loosening of the dependence on the Emperor leading to the disappearance of the Ottonian Imperial Church, the Bishops were transformed from Imperial Officials into Imperial Vassals, leading to greater strength to the Princes of Northern Italy and Central Europe.
To the east, Archbishop Henry Kietlicz of Gnesen assured ecclesiastical liberty through canonical election of Bishops in most Duchies.
It was here in the east, that The Duchy of Mieczyslaw obtained its first charter in 1207 AD.
Named for the principal city Mieczyslaw, which in turn was named for the first 'Hetman' family Mieczyslaw.