son premier / sa première
This is his daughter from his first marriage.
Il s'agit de sa fille issue de son premier mariage.
Elle lui a donné son premier baiser.
I was there for his first steps, his first teeth, his first words!
J'étais là pour ses premiers pas, ses premières dents, ses premiers mots !
— Two Is a Family (2016)
Hey, did you know that Bonnie was not his first kid?
Au fait, tu savais que Bonnie n'était pas son premier enfant ?
— Toy Story 4 (2019)
He took his first breath there by the window.
Il a pris sa première respiration là, près de la fenêtre.
— Hamnet (2025)
Yanni has just finished his first meditation session.
Yanni vient de terminer sa première séance de méditation.
Does he understand that everything depends on his first report from the station?
Comprend-il que tout dépend de son premier rapport depuis le poste ?
— Solaris (1972)