SB 4.1.9

priyavratottānapādau
 manu-putrau mahaujasau
tat-putra-pautra-naptṝṇām
 anuvṛttaṁ tad-antaram
Synonyms: 
priyavrata — Priyavrata; uttānapādau — Uttānapāda; manu-putrau — sons of Manu; mahā-ojasau — very great, powerful; tat — their; putra — sons; pautra — grandsons; naptṝṇām — grandsons from the daughter; anuvṛttam — following; tat-antaram — in that Manu’s period.
Translation: 
Svāyambhuva Manu’s two sons, Priyavrata and Uttānapāda, became very powerful kings, and their sons and grandsons spread all over the three worlds during that period.