skos:altLabel | - Frederick
- Frederick II
- Frederick II of Hohenstaufen
- Frederick II of Swabia
- Frederick II
- Duke Frederick II of Swabia
- Duke Frederick II
- Duke Friedrich II
- Frederick Hohenstaufen
- Frederick II the One-Eyed
- Frederick II<br>of Swabia
- Frederick the One-Eyed
- Frederick II, Duke of Swabia
- Henry V's chosen heir
- Salian war of succession
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