As Friduš's escapades could not be ignored, young King John of Luxemburg sent his troops to deal with the bandits.
King John of Bohemia then enfeoffed Leszek's brother-in-law, Nicholas II, who was John I's father.
During the confusion of the French Revolution the mortal remains were salvaged by the Boch industrialist family (founders of Villeroy & Boch, ennobled in 1892) and hidden in an attic room in Mettlach on the Saar River.
King Henry's successor John of Luxembourg however redeemed the pawn and in 1318 re-installed Nicholas's son Nicholas II as duke.
He was a supporter of King John of Luxembourg of Bohemia, who gave him Opava as a fief in 1318 and at the same time raised it to an independent duchy.
The new king, John of Bohemia, continued to claim the Polish royal title and moreover sought to vassalize the Piast dukes of the adjacent Silesian region.
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The settlement was first mentioned in a 1323 deed of donation issued by King John of Bohemia at Prague Castle.
On 24 February 1327, together with the other Piast Dukes, Jan paid homage to King John of Bohemia in Opawa.
On 19 February 1327, together with other Silesian rulers, Leszek paid homage to King John of Bohemia in Opawa.
In 1326 the Grand Master formed an anti-Polish coalition at Brodnica, consisting of the Masovian dukes Siemowit II, Trojden I and Wenceslaus of Płock as well as of several Silesian Piasts and King John of Bohemia.
After his death, as a result of the arbitrary decision of King John of Bohemia (and despite the strong resistance of the other Piast rulers in Upper Silesia who were their closest male relatives), the Duchy of Racibórz was given to Duke Nicholas II of Opawa, who claimed the rights of his wife Anna, Leszek's oldest sister.