SB 3.12.21
athabhidhyayatah sargam
dasa putrah prajajñire
bhagavac-chakti-yuktasya
loka-santana-hetavah
Translation by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada:
Brahma, who was empowered by the Supreme Personality of Godhead, thought of generating living entities and begot ten sons for the extension of the generations.