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tasyaivam vitathe vamse
tad-artham yajatah sutam
Translation by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada:
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.