"Where is my wife?"
Translation:Kde je má žena?
Here's an excerpt from one of my textbooks (Czech author), that may be helpful:
"MÁ / TVÁ apply to feminine nouns. MÉ / TVÉ apply to neuter nouns.
There are two more forms: MOJE and TVOE. These forms can be used with both feminine and neuter nouns. There is no difference in meaning between MOJE and MÁ / MÉ or between TVOJE and TVÁ / TVÉ."