A portion of this district was under the control of another local family known as the Vaidumbas, Their capital ‘Vaidumbavrolu’ or ’the city of the Vaidumbas ’ was situated in this district. Several inscriptions of this family are found in Chittoor and Cuddapah districts and in Kolar district of Mysore State. About twenty epigraphs of this dynasty are noticed in this district and they are assigned on palaeographical grounds to about the 8th, 9th and 10th centuries A.D. They yield scanty information. Many are merely hero-stones commemorating the death of warriors ,in battles and cattle-raids Thus it is not possible to give any connected account of this dynasty.
These rulers appear to have been war-like chiefs, frequently fighting with their neighbours, the Lonkulas, the Cholas of Renadu, the Banas of Perumbanappadi and the Nolambas of Nolambavadi. The first ruler of the line was Vaidumba Maharaja. He came into conflict with the Lonkulas, another war-like tribe. The Vaidumba army was led by a certain Gandara Mutraju, but he was killed in the battle. It was during this period that the Vaidumbas displaced the Cholas of Renadu from Chippili in Madanapalle taluk and occupied it. Vaidumba Maharaja appears to have been followed by Sankali or Ganda Sankali. Ganda Trinetra Vaidumba Maharaja was another ruler of the line. He was an ambitious and powerful king. He flourished about the beginning of the 10th century A.D., and was always involved in wars with his neighbours Early in his reign he defeated Jata Choda and annexed his principality, Renadu 7,000. He fought two battles with the Nolambas at Mudumaduvu, identified with Mudivedu in Madanapalli taluk, and Soremadi in Anantapur district. He came out victorious in these battles and acquired mastery over parts of Kolar district. He was followed by Manuja Trinetra and Bhuvana Trinetra in succession. Bhuvana Trinetra was crowned in AD. 973 and his principality included at least parts, if not the whole of Renadu, Mulikinadu and Pakanadu. The other Vaidumba chiefs known from the inscriptions were Irigaya Maharaja, Nanrumarayar son of Tukkarai, Maduka Maharaja and his son, Kaliga Trinetra Bhima Maharaja.