De quelle nationalité es-tu? = What nationality are you?
"De quelle nationalité" means "of what nationality" in French. It is used to ask about someone's nationality or the country they are from.
It means "What is your nationality?" in French.
"Est de quelle nationalité" means "What nationality is he/she" in English.
Il est Gallois.
It depends on who is asking the question, and of whom. French teachers often insist that any answer to a question should repeat the question in the answer. e.g. 'vous-etes de quelle nationalite ?' 'Je suis de nationalite francaise, maitresse.' Asking the same question of an adult in France would probably result in "francais, monsieur.' or 'belge moi'.
"C'est de quelle couleur?" means "What color is it?" in French.
This means me too what is your nationality
tu as les yeux de quelle couleur means 'what colour are your eyes?' in French.
De quelle couleur est ton cahier de français means "what colour is your French notebook?" in English.
De quelle? in French means "Of what?" in English.
Quelle grande commission de Jesus?
the answer!?? De quelle nationalité es-tu ? = what is your citizenship?