Wikipedia
Muthuraja
Mutharaiyar or Muthuraja are Tamil-speaking community of landowners belongs to Kshatriya varna. Historians believe that Mutharaiyar are descendants of Kalabhras. Mutharaiyars ruled over Kaveri Delta Region before the Cholas. Mutharaiyar (AD 610 - AD 851) earlier were a line of kings and were for a long time feudatory to the Pallavas, ruling part of Tamil Nadu in Southern India.