The French president has a friend or Fiance which is a model . What about diplomatic protocol ?

Question

While visits to foreign countries, the wife of President is being considered as a second lady and special treatment is being extended as a wife. Here President has not married her, however she is accompanying him, what would be diplomatic protocol ?

Answer 1

The French President must observe protocol by treating his wife as the First Lady and not a fiancee because it is unethical in protocol especially in conservative countries.