skos:altLabel | - Frederick II
- Frederick of Austria
- Frederick the Warlike
- Duke of Austria
- Duke Frederick II of Austria
- Duke Frederick II the Quarrelsome
- Duke Frederick the Warlike
- Frederick II of Austria
- Frederick II of Babenberg
- Frederick II the Quarrelsome
- Frederick II the Quarrelsome, Duke of Austria
- Frederick II the Warlike
- Frederick II, the Quarrelsome
- Frederick of Babenberg
- Frederick the Quarrelsome
- Frederick the Quarrelsome, Duke of Austria
- Frederick II, Duke of Austria
- Herzog Friedrich II, der Streitbare
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