births

Bolesław V the Chaste of Poland (died 1279)

Historical image related to Bolesław V the Chaste of Poland (died 1279) from June 21, 1226

Bolesław V the Chaste

High Duke of Poland from 1243 to 1279

Bolesław V the Chaste was Duke of Sandomierz in Lesser Poland from 1232 and High Duke of Poland from 1243 until his death, as the last male representative of the Lesser Polish branch of Piasts.
Source: Wikipedia (CC BY-SA)