Imagine the conversation that came before this response? Response: He was the son and successor of Pasenadi (Prasenajit), king of Kosala.
A 2 person conversation:
[1]. What was the name of the Virudhaka's son?;
[2]. Virudhaka  Virudhaka (, ) was a king of Kosala during the lifetime of the Buddha.;
[1]. Who was the Virudhaka's father?;
[2]. 