I always thought it was Luke, and him not only being the last of the Jedi, but the first of the new, and him going on to spread the New Jedi Order.

I mean, Anakin Skywalker gives the order for his mother's husband to be burned out of his home. Did Anakin not even feel a little nostalgic for being on the planet of his birth?
No, no, Clegg (Shmi's husband) was dead. All that was left was her nephew (Uncle) Owen and his wife, (Aunt) Beru.