Bolesław IV the Curly

Bolesław IV the Curly
Effigy of Bolesław IV the Curly (left) on a Romanesque tympanum from Ołbin
High Duke of Poland
Reign1146–1173
PredecessorWładysław II the Exile
SuccessorMieszko III the Old
Bornc. 1122
Died5 January 1173 (aged 51)
SpousesViacheslava of Novgorod
Maria
IssueLeszek, Duke of Masovia
HousePiast dynasty
FatherBolesław III Wrymouth
MotherSalomea of Berg

Bolesław IV the Curly (Polish: Bolesław Kędzierzawy; c. 1122 – 5 January 1173), a member of the Piast dynasty, was Duke of Masovia from 1138 and High Duke of Poland from 1146 until his death in 1173.