SB 6.6.44

tvaṣṭur daityātmajā bhāryā
 racanā nāma kanyakā
sanniveśas tayor jajñe
 viśvarūpaś ca vīryavān
Word for word: 
tvaṣṭuḥ — of Tvaṣṭā; daitya-ātma-jā — the daughter of a demon; bhāryā — wife; racanā — Racanā; nāma — named; kanyakā — a maiden; sanniveśaḥ — Sanniveśa; tayoḥ — of those two; jajñe — was born; viśvarūpaḥ — Viśvarūpa; ca — and; vīryavān — very powerful in bodily strength.
Translation: 
Racanā, the daughter of the Daityas, became the wife of Prajāpati Tvaṣṭā. By his semen he begot in her womb two very powerful sons named Sanniveśa and Viśvarūpa.