Kubja Vishnuvardhana
Vishnuvardhana ruled over a kingdom extending from Nellore to Visakhapatnam. He got the title of Vishamasiddhi (conqueror of difficulties). Vishnuvardhana participated in the wars between his brother Pulikesin II and the Pallava Narasimhavarma I. He possibly lost his life in thebattle in 641.His son Jayasimha I succeeded him as the king.