Your girl friend is my freaky/kink/sex slave
Quel est votre prénom? means - what is your first name?
Comment est votre...? in French means "How is your...?" in English.
It means "Your cat is adorable," in French.
Quel est votre numéro de téléphone means 'what is your phone number' in French.
votre nounours est sur votre lit
"Quel est votre nom?"
You can say "Mon français est bon" in French to mean "My French is good."
"quelle est la taille de votre maison ?" or "de quelle taille est votre maison ?"
"quel est votre statut matrimonial / votre statut marital"
"Quel est votre état civil" is French for "What is your marital status." It is a question asking about whether a person is single, married, divorced, etc.
It means 'what is the nickname of your last child?'
It means 'your friend' because 'votre' is a polite/formal way of saying 'your' and ami means 'friend'. In a sentence it might be, "Quelle est le nom de votre ami?" This means "What is the name of your friend?"