Frederick I
1 of 2biographical name (1)
Fred·er·ick I
ˈfre-d(ə-)rik 
circa 1123–1190
Frederick Barbarossa
ˌbär-bə-ˈrä-sə
-ˈrȯ-
Holy Roman emperor (1152–90)
Frederick I
2 of 2biographical name (2)
1657–1713 king of Prussia (1701–13)
Cite this Entry
“Frederick I.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Frederick%20I. Accessed 31 Oct. 2025.
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