 Sadaiya Nayanar, his wife as well as his ancestors are described as devout devotees of the god Shiva, the patron god of Shaivism.Sadaiya Nayanar and his wife lived in Tirunavalur, in the kingdom of Thirumunaipadi, in the present-day Indian state of Tamil Nadu.They belonged to Adi Shaiva sub-sect of Shaivism and belonged to the Brahmin (priest) caste.