Bëor the Old, originally named Balan, the founder of the House, was the first to lead Men across the Ered Luin (Blue Mountains) into Beleriand, in the First Age. He and his people were met by Finrod Felagund, who guided them to settle in Estolad east of Doriath. Bëor himself took service with Felagund in Nargothrond.
Baran the eldest son of Bëor, inherited the leadership.
Bereg, a grandson of Baran, was dissatisfied with Estolad, and led part of the people away to parts unknown.
Boron was a son of Baran.
Bregor was a son of Boromir.
Beren was a son of Barahir.
Baragund was a son of Bregolas.