his older brother

They asked his older brother to help them do their homework.

Ils ont demandé à son frère aîné de les aider à faire leurs devoirs.

Do you know his older brother?

Connaissez-vous son frère aîné ?

He is identical to his older brother.

Il est le portrait craché de son frère aîné.

He is rich, but his older brother is poor.

Il est riche, mais son frère aîné est pauvre.

He is not as intelligent as his older brother.

Il n'est pas aussi intelligent que son frère aîné.

His older brother is two years older than I.

Son frère aîné a deux ans de plus que moi.