atha -- then; sura-sutah -- the son of Surasena (Vasudeva); rajan -- O King (Parikshit); putrayoh -- of his two sons; samakarayat -- had performed; purodhasa -- by a priest; brahmanaih -- by brahmanas; ca -- and; yatha-vat -- properly; dvija-samskritim -- brahminical initiation.

My dear King, then Vasudeva, the son of Surasena, arranged for a priest and other brahmanas to perform his two sons' second-birth initiation.