His Florentine agent, Naldo Nadi, prepared a catalogue of the works in his library, which would be bolstered by his marriage to Beatrice of Aragon, who had her own collection. His uncle was sawed in half and the plague took his intended first wife as well as his father. Nevertheless he consolidated power by raising a large army, the fekete sereg, and proceeded on a series of conquests, including the capture of the capital of his western neighbor 
His Florentine agent, Naldo Nadi, prepared a catalogue of the works in his library, which would be bolstered by his marriage to Beatrice of Aragon, who had her own collection. His uncle was sawed in half and the plague took his intended first wife as well as his father. Nevertheless he consolidated power by raising a large army, the fekete sereg, and proceeded on a series of conquests, including the capture of the capital of his western neighbor Frederick III. After concluding a peace with his father-in-law George Podebrad, he would eventually be defeated by the Moldavian Stephen III. He had already become king of Bohemia and his own country by his 1490 death. For 10 points, identify this son of John Hunyadi, a king of Hungary named for the raven on his coat-of-arms.
His Florentine agent, Naldo Nadi, prepared a catalogue of the works in his library, which would be bolstered by his marriage to Beatrice of Aragon, who had her own collection.
Matthias Corvinus (or Matthias Hunyadi or Matyas)