his own, his family/people
Thranduil ne mettrait pas la vie des siens en péril face à la colère du dragon.
Thranduil would not risk the lives of his people in the face of the dragon's wrath.
— Le Hobbit : Un voyage inattendu (2012)
Si nous tirons, il appellera encore plus des siens.
If we fire, he will call even more of his people.
— Nausicaä de la vallée du vent (1984)
Ramenez-le à la maison auprès des siens, je vous en prie.
Please bring him home to his family.
— Zootopie (2016)
Nos problèmes ne sont rien comparés aux siens.
Our problems are nothing compared to his.