Incitatus Dio (155-235 AD) indicated that the horse was attended to by servants and was fed oats mixed with gold flake, and that Caligula made the horse a priest. The accuracy of the received history is generally questioned. Historians such as Anthony A. Barrett suggest that later Roman chroniclers such as Suetonius and Dio Cassius were influenced by the political situation of their own times, when it may have been useful to the current emperors to discredit the earlier Julio-Claudian emperors. Also, the lurid nature of the story added spice to their narratives, winning them additional readers. One suggestion is that
Matthias, Holy Roman Emperor Matthias's brother Archduke Maximilian, who hoped to secure the succession for the inflexible Catholic Archduke Ferdinand (later Emperor Ferdinand II). The start of the Bohemian Protestant revolt in 1618 provoked Maximilian to imprison Klesl and revise his policies. Matthias, old and ailing, was unable to prevent a takeover by Maximilian's faction. Ferdinand, who had already been crowned King of Bohemia (1617) and of Hungary (1618), succeeded Matthias as Holy Roman Emperor. Names in other languages: "Matthias, by the grace of God elected Holy Roman Emperor, forever August, King in Germany, of Hungary, Bohemia, Dalmatia, Croatia, Slavonia, Rama, Serbia, Galicia, Lodomeria,