Srimad-Bhagavatam: Canto 8 - Chapter 1 - Verse 9
Sanskrit:
तृतीयां वडवामेके तासां संज्ञासुतास्त्रय: ।यमो यमी श्राद्धदेवश्छायायाश्च सुताञ्छृणु ॥ ९ ॥
ITRANS:
tṛtīyāṁ vaḍavām eketāsāṁ saṁjñā-sutās trayaḥyamo yamī śrāddhadevaśchāyāyāś ca sutāñ chṛṇu
Translation:
It is said that the sun-god had a third wife, named Vaḍavā. Of the three wives, the wife named Saṁjñā had three children — Yama, Yamī and Śrāddhadeva. Now let me describe the children of Chāyā.