Vratislav I, Duke of
Bohemia (
915 -
921). Vratislav's father was
Borivoj[?], Duke of Bohemia, who acceded in
870 and died in
895. He was the first (historically known)
Premyslid (Přemyslovec in
Czech) duke of Bohemia. Vratislav's brother was
Spytihnev[?], Duke of Bohemia (
895 -
915). Vratislav I had two sons.
Václav and
Boleslav.