SB 4.1.7
tosah pratosah santoso
bhadrah santir idaspatih
idhmah kavir vibhuh svahnah
sudevo rocano dvi-sat
Translation by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada:
The twelve boys born of Yajña and Daksina were named Tosa, Pratosa, Santosa, Bhadra, Santi, Idaspati, Idhma, Kavi, Vibhu, Svahna, Sudeva and Rocana.