SB 4.1.7

toṣaḥ pratoṣaḥ santoṣo
 bhadraḥ śāntir iḍaspatiḥ
idhmaḥ kavir vibhuḥ svahnaḥ
 sudevo rocano dvi-ṣaṭ
Word for word: 
toṣaḥ — Toṣa; pratoṣaḥ — Pratoṣa; santoṣaḥ — Santoṣa; bhadraḥ — Bhadra; śāntiḥ — Śānti; iḍaspatiḥ — Iḍaspati; idhmaḥ — Idhma; kaviḥ — Kavi; vibhuḥ — Vibhu; svahnaḥ — Svahna; sudevaḥ — Sudeva; rocanaḥ — Rocana; dvi-ṣaṭ — twelve.
Translation: 
The twelve boys born of Yajña and Dakṣiṇā were named Toṣa, Pratoṣa, Santoṣa, Bhadra, Śānti, Iḍaspati, Idhma, Kavi, Vibhu, Svahna, Sudeva and Rocana.