anuvṛttaṁ tadantaram

priyavrata-Priyavrata; uttanapadau-Uttanapada; manu-putrau-sons of Manu; maha-ojasau-very great, powerful; tat-their; putra-sons; pautra-grandsons; naptrnam-grandsons from the daughter; anuvrttam-following; tadantaram-in that Manu's period.