Translation of "Inheritor" in French

The inheritor relatives were already surrounded by inheritance donkey

Les parents héritiers étaient déjà entourés d'un âne héritier

Being an only child, he was the sole inheritor.

Étant enfant unique, il était le seul héritier.

- Being an only child, he was the sole inheritor.
- Being an only child, he was the sole heir.

Étant enfant unique, il était le seul héritier.