From Mrkanda, Markandeya Muni was born, and from Prana the sage Vedasira, whose son was Usana (Sukracarya), also known as Kavi. Thus Kavi also belonged to the descendants of the Bhrgu dynasty

Expressions researched:
"From Mrkanda, Markandeya Muni was born, and from Prana the sage Vedasira, whose son was Usana" |"also known as Kavi. Thus Kavi also belonged to the descendants of the Bhrgu dynasty"

SB Canto 4

From Mṛkaṇḍa, Mārkaṇḍeya Muni was born, and from Prāṇa the sage Vedaśirā, whose son was Uśanā (Śukrācārya), also known as Kavi. Thus Kavi also belonged to the descendants of the Bhṛgu dynasty.

SB 4.1.45, Translation:

From Mṛkaṇḍa, Mārkaṇḍeya Muni was born, and from Prāṇa the sage Vedaśirā, whose son was Uśanā (Śukrācārya), also known as Kavi. Thus Kavi also belonged to the descendants of the Bhṛgu dynasty.