Question: What nationality is Arinjaya Chola's father?

Knowledge 1: Arinjaya Chola
Arinjaya Chola (died c. 957) was a [[Tamil ruler of the chola mandalam.He was the third son of Parantaka I and the younger brother of [[Gandaraditya]]Chola, whom he is thought to have succeeded in about 956.His mother was the daughter of a [[Kerala]]prince called [[Paluvettaraiyar]].Arinjaya seems to have ruled for a very short time. [SEP] Knowledge 2: Parantaka I
Parantaka CholaI  (907–955) ruled the Chola kingdom in Tamil Nadu southern India for forty-eight years, annexing Pandya.The best part of his reign was marked by increasing success and prosperity.
Knowledge 1: Arinjaya Chola
Arinjaya Chola (died c. 957) was a [[Tamil ruler of the chola mandalam.He was the third son of Parantaka I and the younger brother of [[Gandaraditya]]Chola, whom he is thought to have succeeded in about 956.His mother was the daughter of a [[Kerala]]prince called [[Paluvettaraiyar]].Arinjaya seems to have ruled for a very short time. [SEP] Knowledge 2: Rajaraja Narendra
Rajaraja Narendra( 1022–1061 CE) was the Eastern Chalukya king of the Vengi or Vengai Nadu( as recorded in inscriptions) kingdom in South India.Rajaraja Narendra was The Greatest Telugu King.Rajaraja was related to the Cholas of Tanjavur by marital and political links.Rajaraja Narendra established the city Rajahmahendravaram( Rajahmundry).His period was famous for the Social and Cultural heritage.During the time of Rajaraja Chola I, Rajahmundry got sacked by Western Chalukya.The region witnessed war between Western Chalukya and other neighbouring dynasties and political support by chola dynasty.Cholas already related to Chalukya, where daughter of Chalukya king Viman II, Viman kundavai( Chalukya princess) is married to Arinjaya Chola who is the grandfather of Rajaraja Chola I and father of' Sundara Chola' Parantaka Chola II.In the memory of Viman kundavai, Sundara Chola named his daughter as kundavai.To differentiate from Viman kundavai, he kept as alwar paranthakan kundavai who is the sister of Rajaraja chola I.In the memory of his sister, Rajaraja Chola I named his daughter kundavai( kundavai piratiyar).She was married to Chalukya prince Vimaladitya Chalukya.Daughter of Rajendra CholaI, Amangai Devi married to Rajaraja Narendra Chalukya, who is the son of Vimaladitya Chalukya.The feudatorial relationship with the powerful Cholas and Powerful Chalukya continued for three centuries from Arinjaya Chola.The son of Rajaraja Narendra Chalukya, Rajiga Chalukya who also called Kulottunga Chola I went for raid up to Kedah( Indonesia) for his maternal uncle.He became the king of Chola empire in Gangaikondacholapuram when political vacuum occurred.He then merged the chola and Chalukya dynasty.He is first emperor of Chalukya Cholas.He was a liberal ruler as several land grants were given to the members of the Shudra community who were generals and royal officials during his reign.As he relaxed tax, he also called' sungam thavirtha cholan'.Kubja Vishnuvardhana, the progenitor of Eastern Chalukyas, in his Timmapuram plates claimed to belong to the Manavya gotra.The Aravidu dynasty of Vijayanagara empire claimed descent from Rajaraja Narendra, however, they belonged to the Atreya gotra, unlike their claimed ancestor.
Knowledge 1: Parantaka I
Parantaka CholaI  (907–955) ruled the Chola kingdom in Tamil Nadu southern India for forty-eight years, annexing Pandya.The best part of his reign was marked by increasing success and prosperity. [SEP] Knowledge 2: Rajaraja Narendra
Rajaraja Narendra( 1022–1061 CE) was the Eastern Chalukya king of the Vengi or Vengai Nadu( as recorded in inscriptions) kingdom in South India.Rajaraja Narendra was The Greatest Telugu King.Rajaraja was related to the Cholas of Tanjavur by marital and political links.Rajaraja Narendra established the city Rajahmahendravaram( Rajahmundry).His period was famous for the Social and Cultural heritage.During the time of Rajaraja Chola I, Rajahmundry got sacked by Western Chalukya.The region witnessed war between Western Chalukya and other neighbouring dynasties and political support by chola dynasty.Cholas already related to Chalukya, where daughter of Chalukya king Viman II, Viman kundavai( Chalukya princess) is married to Arinjaya Chola who is the grandfather of Rajaraja Chola I and father of' Sundara Chola' Parantaka Chola II.In the memory of Viman kundavai, Sundara Chola named his daughter as kundavai.To differentiate from Viman kundavai, he kept as alwar paranthakan kundavai who is the sister of Rajaraja chola I.In the memory of his sister, Rajaraja Chola I named his daughter kundavai( kundavai piratiyar).She was married to Chalukya prince Vimaladitya Chalukya.Daughter of Rajendra CholaI, Amangai Devi married to Rajaraja Narendra Chalukya, who is the son of Vimaladitya Chalukya.The feudatorial relationship with the powerful Cholas and Powerful Chalukya continued for three centuries from Arinjaya Chola.The son of Rajaraja Narendra Chalukya, Rajiga Chalukya who also called Kulottunga Chola I went for raid up to Kedah( Indonesia) for his maternal uncle.He became the king of Chola empire in Gangaikondacholapuram when political vacuum occurred.He then merged the chola and Chalukya dynasty.He is first emperor of Chalukya Cholas.He was a liberal ruler as several land grants were given to the members of the Shudra community who were generals and royal officials during his reign.As he relaxed tax, he also called' sungam thavirtha cholan'.Kubja Vishnuvardhana, the progenitor of Eastern Chalukyas, in his Timmapuram plates claimed to belong to the Manavya gotra.The Aravidu dynasty of Vijayanagara empire claimed descent from Rajaraja Narendra, however, they belonged to the Atreya gotra, unlike their claimed ancestor.

Answer: chola kingdom