"Wenceslaus III (Czech: Václav III., Hungarian: Vencel, Polish: Wacław, Slovak: Václav; 6 October 1289 – 4 August 1306) was King of Hungary between 1301 and 1305, and King ...
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of Bohemia and Poland from 1305. He was the son of Wenceslaus II, King of Bohemia, who was later also crowned king of Poland, and Judith of Habsburg. Still a child, Wenceslaus was betrothed to Elizabeth, the sole daughter of Andrew III of Hungary. After Andrew III´s death in early 1301, the majority of the Hungarian lords and prelates elected Wenceslaus king, although Pope Boniface VIII supported another claimant, Charles Robert, a member of the royal house of the Kingdom of Naples." - (en.wikipedia.org 29.12.2019)