SB 9.14.1

śrī-śuka uvāca
athātaḥ śrūyatāṁ rājan
 vaṁśaḥ somasya pāvanaḥ
yasminn ailādayo bhūpāḥ
 kīrtyante puṇya-kīrtayaḥ
Synonyms: 
śrī-śukaḥ uvāca — Śrī Śukadeva Gosvāmī said; atha — now (after hearing the history of the dynasty of the sun); ataḥ — therefore; śrūyatām — just hear from me; rājan — O King (Mahārāja Parīkṣit); vaṁśaḥ — the dynasty; somasya — of the moon-god; pāvanaḥ — which is purifying to hear about; yasmin — in which (dynasty); aila-ādayaḥ — headed by Aila (Purūravā); bhūpāḥ — kings; kīrtyante — are described; puṇya-kīrtayaḥ — persons of whom it is glorious to hear.
Translation: 
Śrīla Śukadeva Gosvāmī said to Mahārāja Parīkṣit: O King, thus far you have heard the description of the dynasty of the sun-god. Now hear the most glorious and purifying description of the dynasty of the moon-god. This description mentions kings like Aila [Purūravā] of whom it is glorious to hear.