Srimad-Bhagavatam: Canto 9 - Chapter 1 - Verse 35
Sanskrit:
तस्यैवं वितथे वंशे तदर्थं यजत: सुतम् ।मरुत्स्तोमेन मरुतो भरद्वाजमुपाददु: ॥ ३५ ॥
ITRANS:
tasyaivaṁ vitathe vaṁśetad-arthaṁ yajataḥ sutammarut-stomena marutobharadvājam upādaduḥ
Translation:
The King, his attempt for progeny frustrated in this way, performed a sacrifice named marut-stoma to get a son. The demigods known as the Maruts, being fully satisfied with him, then presented him a son named Bharadvāja.