MaximilianmGerman, English, Swedish, Norwegian (Rare), Danish (Rare) From the Roman name Maximilianus, which was derived from Maximus. It was borne by a 3rd-century saint and martyr. In the 15th century the Holy Roman emperor Frederick III gave this name to his son and eventual heir. In this case it was a blend of the names of the Roman generals Fabius Maximus and Cornelius Scipio Aemilianus (see Emiliano), whom Frederick admired. It was subsequently borne by a second Holy Roman emperor, two kings of Bavaria, and a short-lived Habsburg emperor of Mexico.