Namesakes
Ottokar I
(a.k.a. Přemysl) (m) c. 1155-1230 
Bohemian Kings 1198-1230
Ottokar II
(a.k.a. Přemysl) (m) c. 1233-1278
Austrian Dukes and Emperors 1251-1276
Bohemian Kings 1253-1278
Přemysl Hajný
(m) 1925-1993
Olympic Medalists 1948 ice hockey (silver)