eldest

fils aîné

Refers to the male child in a family who was born first.

le fils qui est né le premier ou qui est le plus âgé

aîné(e) des enfants

Refers to the child in a family who was born first, regardless of gender.

Désigne l'enfant né en premier dans une famille, quel que soit son sexe.

Refers to the female child in a family who was born first.

Refers to the male child in a family who was born first.

l'aîné(e) de la fratrie

Refers to the one among brothers and sisters who was born first.

Désigne le frère ou la sœur qui est le/la plus âgé(e) de la famille.