his or her grandfather
La mort de son grand-père l'a profondément marqué.
The death of his grandfather deeply affected him.
Elle collectionne les vieux timbres de son grand-père.
She collects her grandfather's old stamps.
He loves his grandfather.
C'est bien que Sophie voie son grand-père.
It's good that Sophie sees her grandfather.
Il a été élevé par son grand-père.
He was raised by his grandfather.
Son grand-père est mort d'un cancer il y a un an.
Her grandfather died of cancer a year ago.
Tom écrit un livre sur son grand-père.
Tom is writing a book about his grandfather.
Il est exactement comme son grand-père.
He is exactly like his grandfather.
He is afraid of his grandfather.