Well, I know your father.
3 seconds sound clip from the The Black Cat (1934) movie soundboard.
You can hear this line at 00:51:41.860 in the Blu-ray version of the movie.
Quote context
[...]
- Be brave. It is your only chance.
- Who are you? I've never seen you before, have I?
- Yes, yes, how did you know my name?
- Oh, no, you are mistaken. My father died in prison.
- Herr Poelzig married my mother. She died when I was very young.
- And he married you? You're his wife?
- Yes.
[...]