Citizens of Brunei are called 'brunéiens / brunéiennes' in French. It is likely that you will have to do some explaining if you plan to use these words in French.
Bruneians
Nationality: French
His nationality Is French .
Nationality: French.
Nationality: French.
He was born in Marseille slums, but his both parents are Algerian. He played for the french national team. His official nationality is French.
his nationality was french
Nationality: French
no he is half french
Sara Bernhardt's nationality is French.
You can say "ma nationalité" in French to refer to your nationality.
No. Gallois means Welsh, the nationality of Wales. Irlandais is Irish in French.