Wenceslaus I of Bohemia father Ottokar I of Bohemia
Wenceslaus I (Czech: Václav I.; c. 1205 – 23 September 1253), called One-Eyed, was King of Bohemia from 1230 to 1253.
Wenceslaus was a son of Ottokar I of Bohemia and his second wife Constance of Hungary.The rebellion
In 1248, Wenceslaus had to deal with a rebellion of the Bohemian nobility, led by his own son Ottokar II. Ottokar had been enticed by discontented nobles to lead the rebellion, during which he received the nickname "the younger King" (mladší král). Wenceslaus managed to defeat the rebels and imprisoned his son. Ottokar II held the title of King of Bohemia from 31 July 1248 to November 1249.
By the end of 1250, both the Emperor and Herman VI were deceased. The latter having never been accepted by the Austrian nobles, Gertrude and their only son Frederick I, Margrave of Baden continued their claim. Wenceslaus led a successful invasion of Austria, completed by 1251. Wenceslaus released Ottokar II and named him Margrave of Moravia. Wenceslaus had Ottokar proclaimed Duke of Austria and acclaimed by the nobility. In order to secure dynastic rights to Austria, Wenceslaus had another female Babenberg proclaimed Duchess and betrothed to his son. Margaret, Duchess of Austria, was a sister of Duke Frederick II and an aunt of Gertrude. She was also the widow of Henry (VII) of Germany, who had died in 1242. However, Margaret was much older than Ottokar. Their marriage took place on 11 February 1252.
Wenceslaus did not enjoy his victory for long. He died on 23 September 1253 and Ottokar II succeeded him.
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