Last modified on 2 June 2014, at 17:21

Otto IV, Holy Roman Emperor

Deutsch: Otto IV. war Kaiser des Heiligen Römischen Reichs (1209-1218).
Deutsch: Otto IV was King of the Holy Roman Empire (1209-1218).
Preceded by Holy Roman Emperor Succeeded by
Henry VI Otto IV Frederick II
1191–1197 1209–1218 1220–1250