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Frederick III Habsburg (1415-1493) became Frederick V, archduke of Austria in 1424. He acceded as emperor of the Holy Roman Empire in 1440 and was married to Eleanore of Portugal. Frederick's father was Ernest the Iron (German: Ernst der Eiserne) (1377-1424) and his wife Cymburga of Masovia.
For the last ten years of Frederick's life he and his son, Maximilian, co-ruled as emperors.
| Preceded by: Albert II | King of Germany Also Holy Roman Emperor | Succeeded by: Maximilian I |