The brother of the third Manu, Uttama, was celebrated by the name Tāmasa, and he became the fourth Manu. Tāmasa had ten sons, headed by Pṛthu, Khyāti, Nara and Ketu.
PURPORT
This verse has not purport by His Divine Grace A.C. Bhaktivedanta Svāmi Prabhupāda.