Boleslaus III the Wrymouth (Bolesław III Krzywousty), (1086-1138) was king of Poland from 1102.

He defeated the Pomeranians at the battle of Naklo in 1109, and took control of Pomerania between 1119 and 1123, regaining Polish access to the sea. He also defeated Henry V, Holy Roman Emperor in 1109, in the Battle of Hundsfeld.

Boleslaus also campaigned in Hungary from 1132 to 1135, but to little effect.

First he married Zbyslava of Kiev, daughter of Swiatopelk II grand duke of Kiev. They had one son:

Second he married Salome von Berg-Schelklingen, with whom he had 14 children (6 sons + 8 daughters) from whom we know of 4 sons and 5 daughters:
Preceded by:
Ladislaus Herman of Poland
List of Polish rulers Succeeded by:
Ladislaus the Exile of Poland