Srimad-Bhagavatam: Canto 6 - Chapter 1 - Verse 17
Sanskrit:
श्रीअङ्गिरा उवाचअहं ते पुत्रकामस्य पुत्रदोऽस्म्यङ्गिरा नृप ।एष ब्रह्मसुत: साक्षान्नारदो भगवानृषि: ॥ १७ ॥
ITRANS:
śrī-aṅgirā uvācaahaṁ te putra-kāmasyaputrado ’smy aṅgirā nṛpaeṣa brahma-sutaḥ sākṣānnārado bhagavān ṛṣiḥ
Translation:
Aṅgirā said: My dear King, when you desired to have a son, I approached you. Indeed, I am the same Aṅgirā Ṛṣi who gave you this son. As for this ṛṣi, he is the great sage Nārada, the direct son of Lord Brahmā.