SB 4.1.45

mārkaṇḍeyo mṛkaṇḍasya
 prāṇād vedaśirā muniḥ
kaviś ca bhārgavo yasya
 bhagavān uśanā sutaḥ
Synonyms: 
mārkaṇḍeyaḥ — Mārkaṇḍeya; mṛkaṇḍasya — of Mṛkaṇḍa; prāṇāt — from Prāṇa; vedaśirāḥ — Vedaśirā; muniḥ — great sage; kaviḥ ca — of the name Kavi; bhārgavaḥ — of the name Bhārgava; yasya — whose; bhagavān — greatly powerful; uśanā — Śukrācārya; sutaḥ — son.
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.