How to say in Czech: I do not know their address.

English
do not know
Czech
Já neznám jejich adresu.
What is their address?
Do I know their address?
I know their address.
I do not have their address.
I do not need their address.
Did I forget their address?
Do I have their address?
Do I need their address?
Do I want their address?

Czech phrasebook and translator with tens of thousands of sentences translated by humans. Czechslator is being developed by Michal Měchura. CREDITS Czechslator's sentence generation engine is partially based on Grammatical Framework. All Czech pronunciation is computer-generated using Microsoft Azure Text to Speech. When Czechslator cannot find a translation in its own database, it looks in the PanLex dictionary or obtains a machine translation from Microsoft Translator. PRIVACY Czechslator does not save any cookies in your web browser and does not collect personally identifiable data. Czechslator uses StatCounter for traffic analysis, configured not to save any cookies in your web browser and not to collect any personally identifiable data.