Louis Bielle-Biarrey was born in La Tronche in the department of
Isère
Isère ( , ; frp, Isera; oc, Isèra, ) is a landlocked department in the southeastern French region of Auvergne-Rhône-Alpes. Named after the river Isère, it had a population of 1,271,166 in 2019.Reunionese on the side of his mother.Le Quotidien de La Réunion, ''Bielle-Biarrey, un kréopolitain pressé en route pour le mondial /ref> He started rugby at the age of five in the city of
Seyssins
Seyssins () is a commune in the Isère department in southeastern France. It is part of the Grenoble urban unit (agglomeration).Grenoble, in 2008, before continuing and finishing his training at FC Grenoble, at the age of thirteen, from 2016 to 2021.