The Duchy of Bohemia was raised to a hereditary Kingdom of Bohemia, when Duke Ottokar I ensured his elevation by the German king Philip of Swabia in 1198. The Přemyslids remained in power throughout the High Middle Ages, until the extinction of the male line with the death of King Wenceslaus III in 1306.

Conrad III (German: Konrad; Italian: Corrado; 1093 or 1094 – 15 February 1152) of the Hohenstaufen dynasty was from 1116 to 1120 Duke of Franconia, from 1127 to 1135 anti-king of his predecessor Lothair III and from 1138 until his death in 1152 king in the Holy Roman Empire.He was the son of Duke Frederick I of Swabia and Agnes, a daughter of the Salian …