EntityQ1172402· pop 12· linked from 7 articlesOtto IVSign in to saveWikimedia disambiguation pageConnectionsOtto IV, Holy Roman EmperorEntityOtto, Duke of AustriaEntityOtto IEntityOtto IV, Margrave of Brandenburg-StendalEntityOtto IV, Count of BurgundyEntityOtto IIIEntityOtto VI or IV, Duke of BavariaEntityOtto IIEntityOtto, Duke of Brunswick-LüneburgEntityOtto IV, Count of WittelsbachEntityOtto IV of SchaumburgEntityOtto IV, Count of RavensbergEntityOtto VEntityOtto IV, Prince of Anhalt-BernburgEntityCategoriesHuman name disambiguation pages