Pascal reeks of old, but I'd still teach Pascal first. It's simple and straight to the point of the first paradigm one should learn - traditional/imperative/structured programming.

Then I'd move on to C and see things from a low-level standpoint, and from it I'd go to Python which is a pretty good, clean language IMO.

I just wouldn't teach Python first because it deals with more complex things (objects, references, lists, etc.) which you are bound to stumble upon if you do anything with it. Besides, people might think less of it if they see it first, or they may never discover the good stuff it has.

As for OO, no OO for starters, that's a bad idea; and much less Java, which is a crappy language with a crappy API that's going to get students nowhere.