Ottokar I of Bohemia was born in 1155.
Ottokar II of Bohemia was born in 1233.
Ottokar I of Bohemia died on 1230-12-15.
Ottokar II of Bohemia died on 1278-08-26.
Ottokar Lorenz was born in 1832.
Ottokar Nováček was born in 1866.
Ottokar Fischer was born in 1873.
Ottokar Chiari was born in 1853.
Ottokar I declared himself to be King of Bohemia in 1187 AD. Although not all subsequent rulers of Bohemia were styled "King", this may be considered the date that Bohemia became a kingdom, as it had been ruled by Dukes immediately prior to that.
Ottokar III of Styria was born in 1124.
Ottokar Runze was born on August 19, 1925, in Berlin, Germany.
Ottokar Lehrner was born on August 21, 1966, in Mdling, Austria.
Count Ottokar von Czernin was born on 1872-09-26.