Namesakes
Polish High Dukes and Kings:
3 dukes, 2 kings
King Bolesław I the Brave (a.k.a. Boleslas) 992-1025 
King Bolesław II the Generous (a.k.a. Boleslas) 1058-1079
Duke Bolesław III Wrymouth (a.k.a. Boleslas) 1102-1138
Duke Bolesław IV the Curly (a.k.a. Boleslas) 1146-1173
Duke Bolesław V the Chaste (a.k.a. Boleslas) 1241-1279