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When Casimir III the Great died in 1370, under agreements concluded with one of his lifetime friends Siemowit III, he freed Siemowit from Polish suzerainty and gave Płock, Wizna, Wyszogród and Zakroczym back to Mazovia. Having a reunified Masovia, it regained its independence, there Siemowit III promulgates a customary law in 1377. He ...
Siemowit was elected as new duke by the wiec. Read more on Wikipedia. Since 2007, the English Wikipedia page of Siemowit has received more than 135,881 page views. His biography is available in 26 different languages on Wikipedia (up from 24 in 2019). Siemowit is the 5,346th most popular politician (up from 5,944th in 2019).
May 10, 2023 · Language links are at the top of the page across from the title.
Siemowit III OF MASOVIA was born about 1320, son of Trojden I OF MASOVIA and Maria OF HALYCH-LVIV. He was married in the year 1335 to Euphemia OF OPAWA, they gave birth to 1 child. He died in the year 1381. This information is part of Family tree Riny Doyle geboren Marinus van Waard by Riny Doyle on Genealogy Online.
Konrad I of Masovia. Konrad I of Masovia (ca. 1187/88 [1] – 31 August 1247), from the Polish Piast dynasty, was the sixth Duke of Masovia and Kuyavia from 1194 until his death as well as High Duke of Poland from 1229 to 1232 and again from 1241 to 1243.
Boleslaus I, Duke of Cieszyn. Mother. Euphemia of Masovia. Wenceslaus I of Cieszyn ( Polish: Wacław I cieszyński, Czech: Václav I. Těšínský, German: Wenzel I. von Teschen; 1413/18 – 1474), was a Duke of Cieszyn from 1431 (until 1442 with his brothers as co-rulers), Duke of half of Bytom during 1431–1452 (returned to him soon after ...
When Cymburgis of Masovia was born in 1394, in Warsaw, Masovia, Poland, her father, Siemowit IV Piast, was 42 and her mother, Aleksandra Olgierdówna Giedyminowicz, was 35. She married Ernest I von Habsburg on 17 February 1412, in Kraków, Poland. They were the parents of at least 5 sons and 4 daughters.
