Wikipedia
Sadaiudayar
Sadaiudayar is a Hindu temple. Lord Sadaiudayar, the presiding deity is the kula deivam (family deity) of a select set of Hindus mainly from Southern Tamil Nadu. Located in the Tirunelveli district this temple is mainly patronised by the matrilinear descendants of the Ettu Pillai Kootathar (family of the 8 sons).