Sambuvarayar
The Sambuvarayar (Tamil: சம்புவராயர்) chieftains once ruled the Tondaimandalam region of South India. Among them was Edirili Chola Sambhuvaraya, a vassal under Rajadhiraja Chola II and Kulothunga Chola III, who ruled the northern part of Tondaimandalam, now comprising the districts of Vellore, Tiruvannamalai, Kancheepuram, Cuddalore, Tiruvallur, Nellore, and Chittoor.