[ Remus nods, not looking up from the book. He perfected the art of having a conversation and reading at the same time while in school with Sirius Black and James Potter who never actually shut up. ] Yes, it seems that most of the people that were brought here are from one or two generations, rather close to each other and at least most of us if not all went to school here.

[ He glances up briefly with a mild smile at the young man. ] Oh, I'd look into various theories. As many as we can produce, possibly more. It's just not wise to lay all your eggs in one basket after all.