Yes, she is referred to in that manner on occasion. [That is a subject he should have no trouble getting more details on with the frequency of Maleficent's interferences]

Filgaia? That isn't a world I've heard of before. As far as you know, are you the only one who can attest to being from there? [Kaname didn't wish to discuss his own world too much given the tenuous nature of it. That and the canon is vague on the "where-the-canon-takes-place" part]