I am a friend of
Je suis un ami de Robert.
I am a friend of Robert's.
I am a friend of your father.
I am a friend of your husband.
Je suis un ami de Terry et Dennis Wilson.
I am a friend of Terry and Dennis Wilson.
— Once Upon a Time... in Hollywood (2019)
Je suis un ami de votre frère.
I am a friend of your brother.
I am a friend of your mother.
I’m a friend of your brother.