>Let's check if we can read anything on Explorer now that we've beaten him. Something's still bothering me, we never got rid of that text that "something doesn't feel right" when talking about him.
if the name has significance I'm not aware of, please share! i haven't actually played anything fate related.
The Yggdmillennia isn't actually a single magus bloodline family, but a loose collection of outcast families (weak or failing bloodlines, new bloodlines without standing in the Mage's Association in London, and even those that the Association has put a bounty on) that has grown enough to maintain themselves despite being based in Europe alongside the Association. The thing is that with Fate/Nasuverse's multiple world lines, their status could be very different in this game; they're at the height of their power in Apocrypha, but in Strange/Fake they're stated as having been in decline for 50 years. Both of those stories are also about grail wars that differ from the norm; the Yggdmillennia are the instigators and initially in control in Apocrypha, but from Eileen's confusion and lack of information, that doesn't seem to be the case here.
Also, Eileen may have gotten a name change on her documents, so we'd need to find something with her middle name (it being her original bloodline) to find something on her family. At the same time, the kind of families that join or are absorbed into the faction probably wouldn't have a lot of information out there for our American character to know.