Śrīmad-Bhāgavatam · Text 9.23.33
Who is speaking and story frame
तेषां तु षट्प्रधानानां पृथुश्रवस आत्मज: ।
धर्मो नामोशना तस्य हयमेधशतस्य याट् ॥ ३३ ॥
teṣāṁ tu ṣaṭ pradhānānāṁ
pṛthuśravasa ātmajaḥ
dharmo nāmośanā tasya
hayamedha-śatasya yāṭ
Among these many sons, six were the foremost, such as Pṛthuśravā and Pṛthukīrti. The son of Pṛthuśravā was known as Dharma, and his son was known as Uśanā. Uśanā was the performer of one hundred horse sacrifices.
Read this verse on Vedabase.ioThis verse has no purport; its meaning is explained by the verses around it.