Vamśānukramaṇikā: Varuṇa–Kali Descendants and the Naiṛta Grahas
Genealogical Catalogue
मनुर्वैवस्वतो ज्येष्ठः श्राद्धदेवः प्रजापतिः / ततो यमो यमी चैव यमजौ संबभूवतुः
manurvaivasvato jyeṣṭhaḥ śrāddhadevaḥ prajāpatiḥ / tato yamo yamī caiva yamajau saṃbabhūvatuḥ
The eldest was Manu Vaivasvata, Śrāddhadeva the Prajāpati; thereafter Yama and Yamī were born, the twin pair.