Here is a picture of my father's father and his siblings, taken a few years before before tween had its current meaning. Click it to big it.
The more things change, the more they stay the same department: Now that I think about it, there exist pictures of me at about the same age wearing almost identical trousers. That was, in fact, the high point of my career as a fashion model. (True story.)
(h/t: KK, via email)