It would seem a little odd though, if there is some form of AI called Joyeuse, and you are, in essence, Charlemagne, to also have a separate reference to Charlemagne. At least we know it is still in their thoughts to some a degree.
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Well then perhaps the pilot of the Traveler is "Charlemagne", the AI therein is Joyeuse (or the Bungie-ized bastardization of the name).