My dad knows his family. None of them are any good.
5 seconds sound clip from the Reefer Madness (1936) movie soundboard.
You can hear this line at 00:11:25 in the Blu-ray version of the movie.
Quote context
[...]
- That's the one I was telling you about.
- I don't know why you wanna make such a fuss over that Ralph Wiley.
- Oh, he's a swell swimmer. He made the freshman team that year he went to college.
- My dad knows his family. None of them are any good.
- Father and mother just got a divorce in Paris.
- You know, Ralph runs around pretty much on his own.
- He's been in a couple of jams.
- Well, I only kind of say hello to him. I don't go around with him.
- Well, you better not. He's a little too old for us. That's what my dad said.
[...]