Don't worry, sometimes I don't know a certain ep very well either (though for the most part I know them).

Yes, in Tempus, Anyone Jimmy was the owner, I think. As for family, I honestly have no idea but I remember a mention of an aunt Opal in a few fics, so that's probably taken from the comics.

Julie smile

Mulder: Imagine if you could come back and take out five people who had caused you to suffer. Who would they be?
Scully: I only get five?
Mulder: I remembered your birthday this year, didn't I, Scully?

(The X-Files)