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Difference of 20 years

Difference of 20 years


On 1370, Casimir III decided to be careful about his own life and not to engage himself of things that would be harmful to him like hunting after a bad dream about his own country.

In 1371 Vladislaus of Opole and Casimir III led an armed expedition against the Crown of Bohemia (this assault caused a terrible devastation of Moravia) which led to the treaty of Krakow of 1371 which had the Duchies of Cieszyn, Raciborz, Bytom and Opole to be under Polish Suzerainty as an exchange for peace.

On 1378, after Elisabeth of Pomerania was widowed from the death of Charles IV of Bohemia, she was called into the court of Casimir III and she was married to Siemowit IV, an ally of Casimir III, while on the same year, Margaret of Mazovia, the wife of Casimir of Slupsk gave birth to a son named Wladyslaw, the child was named after his great grand father, Wladyslaw the Elbowhigh, the child was treated specially because the child is the son of the current heir to the King of Poland, Casimir III and for that reason Casimir III was present on the baptism of Wladyslaw, who looked very much like both his great grand father, Casimir III and his father Casimir of Slupsk.


Wladyslaw of Slupsk is a strong child, he grew strong and tough raised by Casimir of Slupsk and Margaret of Mazovia.

The Children of Charles IV including Wenceslaus IV of Bohemia, the Holy Roman Emperor would have some sibling rivalry and for that reason, Bohemia would be unstable, however they would be unstable and any war between them.

Siemowit IV would have children of his own with Elisabeth of Pomerania.

Siemowit IV m. Elisabeth of Pomerania

Janusz of Mazovia
b. 1380

Elisabeth of Mazovia
b. 1382

The Children of Casimir III and Jadwiga of Zagan are

Anna of Poland, Countess of Celje b.1366
-Married William of Celje.

Kunigunde of Poland (1367–1370).

Hedwig of Poland b.1368
-married to the nobility

Barbara b.1376
-married to Rudolf III of Saxe-Wittenberg

Agnes b. 1385

Since the children of Casimir III and Jadwiga of Zagan are all female, this made the transfer of the rule of Poland from the House of Piast to the house of Gryfita via the female line possible, thus the Piast era of Poland ends after Casimir III dies.
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