As I mentioned in the other thread, yes to all of the above. All are welcome, from dads, to moms, to siblings, to friends. Depending on the age of said future Ags, you might run into a few more problems, but as long as they're dressed appropriately and go to Cut Class, I think it'd be fine.
I'm a dead CT, but if you contact a current Hog, I know they'd love for you to come out with them.