Princes in the Tower becoming king, Henry married the princes' eldest sister, Elizabeth of York, to reinforce his claim to the throne. Not wanting the legitimacy of his wife or her claim as heiress of Edward IV called into question, prior to the marriage he had repealed the "Titulus Regius" which had previously declared the princes (and Elizabeth) illegitimate. Markham suggests the princes were executed under Henry's orders between 16 June and 16 July 1486, claiming that it was only after this date that orders went out to circulate the story that Richard had killed the princes, and that the princes' mother, Elizabeth Woodville,
King of the Romans revived the title as King of Rome ("Roi de Rome"), styling his son as such at birth. The boy was often known colloquially by this title throughout his short life. However, from 1818 onward, he was styled officially as the Duke of Reichstadt by Emperor Francis I of Austria. This article uses material translated from the in the German-language Wikipedia, which, in turn, cites a source that contains further references: King of the Romans King of the Romans (; ) was a title used by Syagrius, then by the German king following his election by the princes from the time