Sobĕslav I, duke of Bohemia

Soběslav I, Duke of Bohemia

Duke of Bohemia from 1125 to 1140

Soběslav I was Duke of Bohemia from 1125 until his death in 1140. He was a member of the Přemyslid dynasty, the youngest son of Vratislaus II, by his third wife Świętosława of Poland.