Henry of Sandomierz

Henry I of Sandomierz (1131 – 18 October 1166) was the duke of Sandomierz from 1138 until his death. He took part in the Second Crusade. Upon his return from the Holy Land, Henry organized a battle against the Prussians and died in battle. Rulership He was the fifth but third surviving son of Boleslaus III of Poland by his second wife Salomea, daughter of Henry, Count of Berg, from whom he received his name. According to his father's will, Henry inherited the Duchy of Sandomierz. Boleslaus also appointed Henry's half-brother Ladislaus as regent for Henry, as Henry was only 7 years old when his father died. As ruler of Sandomierz, Henry appears only on the occasion of the Act of Foundation of a Church in his land. His ducal title was rarely mentioned by the chronicles, who called him a son of Boleslaus III Wrymouth or brother of Boleslaus IV the Curly. He was the “King of the Poles” mentioned by the Greek chronicler John Kinnamos. Henry was the commander of the Polish contingent in the Second Crusade in 1147. This incursion in the Crusades was short because in 1149, together with his older brother Boleslaus IV, he took part in a military expedition in Kiev to support the Grand Prince Iziaslav II.