Bolesław I the Brave, less often known as Bolesław the Great, was Duke of Poland from 992 to 1025, and the first King of Poland in 1025. He was also Duke of Bohemia between 1003 and 1004 as Boleslaus IV. Wikipedia
Born: 967 AD, Poznań, Poland
Died: June 17, 1025 (age 58 years), Kraków, Poland
Children: Mieszko II Lambert, Bezprym, Otto Bolesławowic, and more
Spouse: Oda of Meissen (m. 1018–1025), Emnilda (m. 987 AD), and Judith of Hungary (m. 986 AD–987 AD)
Full name: Bolesław I Chrobry
Parents: Mieszko I and Doubravka of Bohemia
Grandchildren: Casimir I the Restorer, Bolesław the Forgotten, Richeza of Poland, Queen of Hungary, and more