Complex sentence: Their leader then assumed the government of the country under the name Rudra Vanniya Maharaja or Veera Vanniyan, who had five sons, the Ancestors of Vanniyar Caste.
Split into simpler sentences: Their leader then assumed the government of the country under the name Rudra Vanniya Maharaja or Veera Vanniyan. He had five sons, the Ancestors of Vanniyar Caste.