One verse

Srimad Bhagavatam 9.20.35

9.20.35

तस्यैवं वितथे वंशे तदर्थं यजत: सुतम् । मरुत्स्तोमेन मरुतो भरद्वाजमुपाददु: ॥ ३५ ॥

tasyaivam vitathe vamse tad-artham yajatah sutam marut-stomena maruto bharadvajam upadaduh

tasya
his (Maharaja Bharata’s)
evam
thus
vitathe
being baffled
vamse
in generating progeny
tat-artham
to get sons
yajatah
performing sacrifices
sutam
a son
marut-stomena
by performing a marut-stoma sacrifice
marutah
the demigods named the Maruts
bharadvajam
Bharadvaja
upadaduh
presented.

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 Bharadvaja.