Zbigniew (duke of Poland)
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Zbigniew, was a duke of Poland during 1102–1107. He was the first-born son of Władysław I Herman by his first wife, whose identity is unknown.
Tyniec Abbey.
Svatopluk, Duke of Bohemia
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Svatopluk was Duke of Bohemia from 1107 until his assassination in 1109. His rule was overshadowed by the fierce conflict around the Bohemian throne in the 12th century.
Image of Svatopluk from a fresco in Znojmo
Baroque tombstone of Svatopluk and his son Wenceslaus Henry in Saint Wenceslas Cathedral, Olomouc, Czech Republic