question: What nationality is Rajaraja Ii's father?
context: Title: Rajaraja II
  Passage: Rajaraja Chola II (Tamil:இரண்டாம் ராஜராஜ சோழன்) succeeded his father Kulothunga Chola II to the Chola throne in 1150. He was made his heir apparent and coregent in 1146 and so the inscriptions of Rajaraja II count his reign from 1146. Rajaraja's reign began to show signs of the coming end of the dynasty.
  Title: Kulothunga Chola II
  Passage: Kulothunga Chola II was a 12th-century king of the Chola Dynasty of the Tamil people of South India. He succeeded his father Vikrama Chola to the throne in 1135 CE. Vikrama Chola made Kulothunga his heir apparent and coregent in 1133 CE, so the inscriptions of Kulothunga II count his reign from 1133 CE. Kulothunga II's reign was a period of general peace and good governance.
answer: Chola dynasty
citations: Rajaraja II Kulothunga Chola II