SB 4.1.63

agniṣvāttā barhiṣadaḥ
 saumyāḥ pitara ājyapāḥ
sāgnayo ’nagnayas teṣāṁ
 patnī dākṣāyaṇī svadhā
Synonyms: 
agniṣvāttāḥ — the Agniṣvāttas; barhiṣadaḥ — the Barhiṣadas; saumyāḥ — the Saumyas; pitaraḥ — the forefathers; ājyapāḥ — the Ājyapas; sa-agnayaḥ — those whose means is by fire; anagnayaḥ — those whose means is without fire; teṣām — of them; patnī — the wife; dākṣāyaṇī — the daughter of Dakṣa; svadhā — Svadhā.
Translation: 
The Agniṣvāttas, the Barhiṣadas, the Saumyas and the Ājyapas are the Pitās. They are either sāgnika or niragnika. The wife of all these Pitās is Svadhā, who is the daughter of King Dakṣa.