The Lefebvre family is a foreign family who lives in Champs Les Sims from The Sims 3: World Adventures. The family consits of André, his wife Aimée, and their son Alain. All the Lefebvres are blonde and their names start with an A. They are classified as a rich family.
The Lefebvre family is mentioned in one of the object descriptions from The Sims 4: Movie Hangout Stuff. Interestingly, Aimée being the only sim in Champs Les Sims with blue eyes is referenced in the description.