l'aîné (de la fratrie) : the eldest, oldest (sibling)
            
            
le cadet (de la fratrie) : the youngest (sibling)
            
            
Now that you know how to translate 'Aîné cadet' in English, why not go further and test our online French course for free?
What our users say:
Test your French with Frantastique today and get a free level assessment.
    Absolutely free - no strings attached.

