un de ses

Certains disent que c'était un de ses gardes.

Some say it was one of his guards.

Le ministre a nommé un de ses copains à un poste clé.

The minister appointed one of his cronies to a key position.

Un de ses collègues chuchota.

One of his colleagues whispered.

Puis, il y eut un de ses cousins, un certain Favell.

Then there was one of his cousins, a certain Favell.

— Rebecca (1940)

Je suis un de ses amis.

I am one of his friends.

C'est un de ses bons jours.

It's one of his good days.

Un jour, un de ses sortilèges a mal tourné.

One day, one of her spells went wrong.

— Harry Potter et l'Ordre du Phénix (2007)

Vous êtes un de ses amis ?

Are you one of his friends?

Je suis un de ses vieux amis.

I am one of his old friends.

Un de ses clients.

One of his clients.

— Blow Out (1981)