Upadeva was one of the sons of Rudrasāvarṇi (Rudrasavarni) who was the Manu of the twelfth Manwantara.

Brahmāṇḍapurāṇa (Maharṣi)(3.1.94.)
Bhāgavata Purāṇa,Books 1-12(8.13.27.)
Garuḍapurāṇa(1.87.47.)
Mārkaṇḍeyapurāṇa(94.26.)
Viṣṇupurāṇa(3.2.35.)
Vāyupurāṇa(100.98.)