Raibhya

Sages Bharadvaja and Raibhya had their hermitages next to each other.

Raibhya had two sons, Arvavasu and Paravasu, Bharadvaja had a son, Yavakri.

Raibhya and his sons were scholars of the Vedas, Bharadvaja and Yavakri were not, so they received less respect.

Read about Yavakri here
https://indiaspiritual.wordpress.com/2020/04/04/yavakris-penances/