well....us Irish may be inferior too you in your opinion, but you and I both know that we can drink all you scots under the table...
Basically all Germanic AND Romanic languages, as well as a lot of Slavonic ones and those spoken in India and in countries lying between India and the Balkan (for as far as they haven't been replaced by Arabic). ...would be my guess. I wonder why the original poster would want to know who's aryan and who isn't, as well as what he constitutes as being aryan. Care to enlighten me?
African-Americans are the result of some people 500 years ago going, "Let's breed some really big motherfuckers, and i mean BIG." That and killing all the ones who learned to read created some interesting results today, aka the NFL. And about the Irish: the Romans never colonized you, and you've been seriously fucked over by the English, So in my opinion you are honorary Scots.
Green, if you're still reading along, we coincidentally just got a class about how the Indo-European language family may have spread according to linguists and archaeologists, and I found a map here showing what language group from what language family is spoken where (it kind of comes down to what I was saying, really.