Gisele Bündchen has welcomed a baby boy, a source tells PEOPLE, adding that his name has a sweet nod to nature. News broke on Feb. 5 that the Brazilian supermodel welcomed her third baby, her first with boyfriend Joaquim Valente.

Gisele Bündchen reportedly dipped back 15 years for the middle name of the baby she welcomed with Joaquim Valente. The supermodel and her boyfriend are parents together for the first time, and In Touch explains how Gisele picked a name she originally chose for her first child,

Gisele Bündchen and her boyfriend, Joaquim Valente, have reportedly welcomed a baby boy. The supermodel, 44, recently gave birth to a son, according to People. The outlet further reported that Bündchen and Valente, 37, chose “River” for their child’s middle name. The first name has yet to be revealed.