|  Frederick I 
 
 1. son of Frederick William who in 1701 became the first king of Prussia (1657-1713)
 • Instance Hypernyms:
 king, male monarch, Rex
 • Member Holonyms:
 Hohenzollern
 2. Holy Roman Emperor from 1152 to 1190;
 conceded supremacy to the pope;
 drowned leading the Third Crusade (1123-1190)
 • Syn:
 Frederick Barbarossa, Barbarossa
 • Instance Hypernyms:
 Holy Roman Emperor
 
 
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