How to say in Czech: Where do we know him from?

English
Where do know from?
Czech
Odkud ho známe?
Where are you going?
Do they understand him?
Where do we buy a ticket?
We do not know him.
We have known him for a long time.
We know him well.
We would like to get to know him better.
Everybody wants to get to know him.
I got to know him when I was a student.
Do we love him?

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