prābhava-vilāsa — vāsudeva, saṅkarṣaṇa
pradyumna, aniruddha, — mukhya cāri-jana
prābhava-vilāsa - the prābhava-vilāsa forms; vāsudeva - Vāsudeva; saṅkarṣaṇa - Saṅkarṣaṇa; pradyumna - Pradyumna; aniruddha - Aniruddha; mukhya cāri-jana - the four chief expansions.