Kratu is one of the ten sons of Brahma; at SB 3.12.23 he was born from Brahma's hand.
Śrīmad Bhāgavata Mahāpurāṇa 3.12.22 — Sanskrit Wikisource (pinned chapter page; Devanagari from the cross-validated transcription in validation/sanskrit_skandha3.json)
