SB 6.6.7

viśve-devās tu viśvāyā
 aprajāṁs tān pracakṣate
sādhyo-gaṇaś ca sādhyāyā
 arthasiddhis tu tat-sutaḥ
Synonyms: 
viśve-devāḥ — the demigods named the Viśvadevas; tu — but; viśvāyāḥ — from Viśvā; aprajān — without sons; tān — them; pracakṣate — it is said; sādhyaḥ-gaṇaḥ — the demigods named the Sādhyas; ca — and; sādhyāyāḥ — from the womb of Sādhya; arthasiddhiḥ — Arthasiddhi; tu — but; tat-sutaḥ — the son of the Sādhyas.
Translation: 
The sons of Viśvā were the Viśvadevas, who had no progeny. From the womb of Sādhyā came the Sādhyas, who had a son named Arthasiddhi.