Vratislaus I, a member of the Přemyslid dynasty, was Duke of Bohemia from 915 until his death. Wikipedia
Born: 888 AD, Czechia
Died: February 13, 921 AD (age 33 years), Prague, Czechia
Spouse: Drahomíra (m. ?–921 AD)
Children: Boleslaus I, Duke of Bohemia and Wenceslaus I, Duke of Bohemia
Parents: Ludmila of Bohemia and Bořivoj I, Duke of Bohemia
Siblings: Spytihněv I, Duke of Bohemia
Full name: Vratislaus