Il est marié avec Viola van Opole.
Ils se sont mariés
Enfant(s):
Casimir I of Opole (Polish: Kazimierz I opolski; c. 1178/79 – 13 May 1230), a member of the Piast dynasty, was a Silesian duke of Opole and Racibórz from 1211 until his death.
Casimir was the eldest child and only son of Duke Mieszko I Tanglefoot and his wife Ludmilla, probably a Bohemian princess of the Přemyslid dynasty. In 1172/73 his father had divided the Silesian lands with his elder brother Bolesław I the Tall and his nephew Duke Jarosław of Opole, and went on to rule as Duke of Racibórz in Upper Silesia.
Little is known about the early years of Casimir's life, except for his own birth, which was the pretext for an agreement between his father and Casimir II the Just, who since 1177 ruled as High Duke of Poland having deposed his elder brother Mieszko III the Old. Casimir II aimed to break the long-time alliance of Mieszko I Tanglefoot with his uncle Mieszko III the Old and in return granted to the Racibórz duke the Lesser Polish districts of Bytom, Oświęcim and Pszczyna as a gift. After the birth of Mieszko Tanglefoot's son and heir, Casimir II the Just stood as the child's godfather who was also named after him.
Mieszko I Tanglefoot significantly enlarged his territory, when after the death of his elder brother Bolesław I in 1201 he conquered the Duchy of Opole. Bolesław's son and heir, Duke Henry the Bearded had to cede the Opole lands to his uncle and also renounced any inheritance claims to Mieszko's Upper Silesian duchies. Upon the death of his uncle Miesko III the Old in 1202, Mieszko also raised claims to the Kraków throne, though he could not succeed until 1210.
Remarkably enough, the more than thirty-year-old Duke was still unmarried. It is unknown when exactly he married, but after a reconstruction of the dates of his children's births, it is concluded that this happened after the death of his father, between 1212–1220. The exact origins of Casimir I's wife Viola (d. 7 September 1251), are unknown. The 15th-century Polish chronicler Jan Długosz stated that she came from Bulgaria. They had four children:[1][2][3][4]
Mieszko II the Fat (b. ca. 1220 – d. 22 October 1246), succeeded his father as Duke of Opole-Racibórz.
Władysław (b. 1225 – d. 27 August/13 September? 1282), Duke of Opole-Racibórz from 1246.
Wenzeslawa (b. ca. 1226/28? – d. 1 July aft. 1230?), a nun in Czarnowąsy.
Euphrosyne (b. 1228/30 – d. 4 November 1292), married firstly in 1257 to Duke Casimir I of Kuyavia and secondly in 1275 to Duke Mestwin II of Pomerania (they were divorced bef. August 1288).
After Casimir I's death, Henry I the Bearded assumed the regency and formal guardianship of his minor sons, while his widow Viola took over direct tutelage of them.
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