If you have never read any of the classic “Batman II” stories, you are missing out. Generally, they were framed as a sort of “fanfic” written by Alfred. The general plot was that Batman married Kathy “Batwoman” Kane, became old and gray, and then Dick became Batman II, with Bruce Wayne Jr as Robin II. They would get in some adventure, and then Bruce and Kathy would come out of retirement to save their skins. Basically, they sucked.
Batman #66 features a similar story, although I think this actually pre-dates the formula mentioned above. In this one, it’s a dream of Dick’s, wherein it is he, not Bruce, who marries and has a son.
I’m clipping the entire opening sequence, for many reasons.

For starters, you have to love the lack of imagination in naming Dick’s kid. The guy’s got a dead father, y’know. I also just love the idea of Dick in a Batman costume with an R on it. Poor Dick. He’s had such bad “all grown up” costumes.
Finally, how utterly awesome is the idea of a masked police commissioner? Of the United Nations no less?
Dear G-d, I love comics.