You see, there were all these cool adventures to play (you could check modules out from the public library) and I needed a DM!
Dad could do it! :)
He was a good sport about it. He never really understood what he was doing. I always had to help him "move through" the adventure.
In reality, I was probably a co-DM and player. :)
The adventure he "ran" for me was "The Isle of Dread."
We skipped over the hexcrawl stuff and mostly dungeon crawled. Funny how I always seemed to know where the good treasure bits were located...
Later in life, I introduced my girlfriend (eventually wife) to the game. She played a wizard in a 3+ year campaign. Myrrinne Moonbow. She has also played Fudge, FATE and Savage Worlds with me.
I also introduced two of her sons (my stepsons). I still play Warhammer 40k with one on a regular basis.
I've also introduced my grandkids. 3 of 4 have played at one time or another...