Srimad-Bhagavatam: Canto 4 - Chapter 1 - Verse 17
Sanskrit:
उल्मुकोऽजनयत्पुत्रान्पुष्करिण्यां षडुत्तमान् ।अङ्गं सुमनसं ख्यातिं क्रतुमङ्गिरसं गयम् ॥ १७ ॥
ITRANS:
ulmuko ’janayat putrānpuṣkariṇyāṁ ṣaḍ uttamānaṅgaṁ sumanasaṁ khyātiṁkratum aṅgirasaṁ gayam
Translation:
Of the twelve sons, Ulmuka begot six sons in his wife Puṣkariṇī. They were all very good sons, and their names were Aṅga, Sumanā, Khyāti, Kratu, Aṅgirā and Gaya.