Quel âge ont-ils / ont-elles (correct but a bit precious), quel âge est-ce qu'ils ont / qu'elles ont (casual in spoken French)
To say "her age" in French, you would say "son âge".
The French Revolution ended the age of absolutism.
son age
the Stone Age is called " l'âge de Pierre " in French.
It means age, as it does in English.
You can say "Avoir un âge similaire" in French to express "Have similar age."
Quel-age tu?
'âge'
âge
at what age can french teens drive
avoir <age> ans (i think)
1-20