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

English
Where do know from?
Czech
Odkud ji známe?
Where are you going?
Where do we buy a ticket?
We like her eyes.
Do they like her eyes?
Do they understand her?
Do we know her address?
We do not know her.
We do not know her address.
We have known her for a long time.
We know her address.

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