He evidently wanted to make this son his primary heir. Constantine went to the court of Diocletian, where he lived as his father's heir presumptive. He performed the usual public duties expected of an heir to the throne. They next go to Argos, where Perseus is the rightful heir to the throne. A third problem derived from the lack of a direct heir to the throne. The race was on among the royal dukes to marry and produce an heir. So Christina became the undisputed heir presumptive. He ends the book living like the wealthy heir Finn Taverner. Philip waged war against Byzantion, leaving Alexander in charge as regent and heir apparent. He received praise for his role as a factory heir and army fanatic. He was left behind to act as physician to the imperial heir Commodus. Duke Francis of Bavaria is the current senior heir. Henry was forced to accept humiliating peace terms, including naming Richard his sole heir. Philip remarried in 1649, following the deaths of both Elisabeth and his only legitimate heir. These lands had passed onto his heir, Henry VIII.