Mudgalapurana 2.6.19

2.6.19

śraddhāputraḥ smṛtaḥ kāmo'rthaśca lakṣmīsuto'bhavat |
dhṛtyāstu niyamaḥ putrastuṣṭyāḥ santoṣasaṃjñitaḥ ||

Kāma is recorded as the son of Śraddhā, and Artha became the son of Lakṣmī; / Niyama was the son of Dhṛti, and the son of Tuṣṭi was named Santoṣa;