Question: What ethnicity are both Motilal Nehru and Gangadhar Nehru?

full_context: Document 1: Manmohini Zutshi Sahgal: Manmohini Sahgal (née Zutshi, 1909–1994) was an Indian freedom fighter and politician. She was a member of the Nehru–Gandhi family.
Document 2: Ratan Kumar Nehru: Ratan Kumar Nehru or R.K. Nehru, (10 October 1902 – 2 April 1981) was an Indian civil servant and diplomat. He was a cousin (once removed) of Jawaharlal Nehru, the son of Mohan Lal Nehru (who was the son of Nand lal Nehru, Motilal Nehru's brother). He was the secretary-general of the Indian Ministry of foreign affairs and also served as ambassador to several countries in the 1950s and 1960s. During 1955-58, he was the Indian ambassador to China and to the United Arab Republic during 1958-60.
Document 3: Rameshwari Nehru: Rameshwari Nehru, born Rameshwari Raina (1886–1966), was a very prominent social worker of India. She worked for the upliftment of the poorer classes as well as for women. In 1902, she was married to Brij Lal Nehru, nephew of Motilal Nehru and cousin of the first prime minister of independent India, Jawaharlal Nehru. Her son Braj Kumar Nehru was an Indian civil servant who served as governor of several states.
Document 4: Nehru–Gandhi family: The Nehru–Indira Gandhi family is a prominent Indian political dynasty, which primarily consisted of Jawaharlal Nehru, Indira Gandhi and her descendants. Their political involvement has traditionally revolved around the Indian National Congress. Members of the family have traditionally led the Congress party and the Republic of India since independence.
Document 5: Nehruism: Nehruism is the name given to the political ideology of Jawaharlal Nehru, India's first prime minister. It was a liberal and idealistic type of fabianist socialism. It basically ended as a de facto political system after Nehru's death, since even his descendants in politics did not follow this model. The authoritarian (Indira Gandhi) or liberal (Rajiv Gandhi and Sonia Gandhi) had various deviations from Nehru's ideology.
Document 6: The Leader (Allahabad newspaper): The Leader (24 October 1909 – 6 September 1967) was one of the most influential English-language newspapers in India during British Raj. Founded by Madan Mohan Malviya, the paper was published in Allahabad. Under C. Y. Chintamani, a dynamic editor from 1909 to 1934, it acquired a large readership in North India. His clash with Motilal Nehru over issue of his freedom as editor, meant that Motilal left within a year, thereafter between 1927 and 1936, Chintamani was not only the Chief Editor of the newspaper, but also the leader of the opposition in the U. P. Legislative Council. Indian National Congress leader, Moti Lal Nehru was the first Chairman of the Board of Directors of the Leader, and the paper remained politically charged through its existence, many of Mahatma Gandhi's writings were also published in it, and it is repository of important writing of that generation.
Document 7: Nehru Memorial Museum &amp; Library: The Nehru Memorial Museum & Library (NMML) is a museum and library in New Delhi, India, which aims to preserve and reconstruct the history of the Indian independence movement. Housed within the Teen Murti House complex, it is an autonomous institution under the Indian Ministry of Culture, and was founded in 1964 after the death of India's first prime minister, Jawaharlal Nehru. It aims to foster academic research on modern and contemporary history. Today, the Nehru Memorial Library is the world’s leading resource centre on India’s first prime minister and its archives contain the bulk of Mahatma Gandhi's writings apart from private papers of C. Rajagopalachari, B. C. Roy, Jayaprakash Narayan, Charan Singh, Sarojini Naidu and Rajkumari Amrit Kaur. In March 2010 it launched a digitization project of its archives, under which by June 2011, 867,000 pages of manuscripts and 29,807 photographs were scanned and 500,000 pages uploaded on the digital library website. Amongst noted publications of the NMML are "Selected Works of Jawaharlal Nehru", "Man of Destiny" by Ruskin Bond, "Nehru Anthology " (1980) and "Nehru Anthology".
Document 8: Nayantara Sahgal: Nayantara Sahgal (born 10 May 1927) is an Indian writer who writes in English. Her fiction deals with India's elite responding to the crises engendered by political change; she was one of the first female Indian writers in English to receive wide recognition. She is a member of the Nehru–Gandhi family, the second of the three daughters born to Jawaharlal Nehru's sister, Vijaya Lakshmi Pandit.
Document 9: Nandlal Nehru: Nandlal Nehru (1845 – 1887) was the Diwan of Khetri in Rajasthan. In 1870 Nandlal quit Khetri, qualified as a lawyer and began to practice law at Agra. When the High Court was transferred to Allahabad, he moved with it. He was the second son of Gangadhar Nehru and elder brother of Motilal Nehru. He had seven children when he died at the age of 42. Among his noted sons were Brijlal Nehru and Ratan Kumar Nehru.
Document 10: Swaraj Bhavan: Swaraj Bhavan (formerly Anand Bhavan, meaning "Adobe of Bliss") is a large mansion located in Allahabad, India. It was owned by Indian political leader Motilal Nehru in the 19th century, it has served as the ancestral home of the Nehru Family— future Prime Minister of India Indira Gandhi was born there. The First Prime Minister of India Jawaharlal Nehru was however not born in Anand Bhawan.
Document 11: Gangadhar Nehru: Gangadhar Nehru (1827 – February 1861) was an Indian police officer, who served as the last kotwal of Delhi (Chief of police) in the court of Bahadur Shah II, before the position was abolished following the Indian Rebellion of 1857. He was the father of freedom fighter Motilal Nehru and grandfather of India's first Prime Minister, Jawaharlal Nehru, and thus part of the Nehru–Gandhi family.
Document 12: Indian National Congress: The Indian National Congress (   ) (INC, often called Congress) is a broad-based political party in India. Founded in 1885, it was the first modern nationalist movement to emerge in the British Empire in Asia and Africa. From the late 19th-century, and especially after 1920, under the leadership of Mahatma Gandhi, Congress became the principal leader of the Indian independence movement, with over 15 million members and over 70 million participants. The Congress led India to independence from Great Britain, and powerfully influenced other anti-colonial nationalist movements in the British Empire.
Document 13: Jawaharlal Nehru: Jawaharlal Nehru ( ; ; 14 November 1889 – 27 May 1964) was the first Prime Minister of India and a central figure in Indian politics before and after independence. He emerged as the paramount leader of the Indian independence movement under the tutelage of Mahatma Gandhi and ruled India from its establishment as an independent nation in 1947 until his death in 1964. He is considered to be the architect of the modern Indian nation-state: a sovereign, socialist, secular, and democratic republic. He was also known as Pandit Nehru due to his roots with the Kashmiri Pandit community while many Indian children knew him as "Chacha Nehru" (Hindi, lit., "Uncle Nehru").
Document 14: Motilal Nehru: Pt. Motilal Nehru (6 May 1861 – 6 February 1931) was an Indian lawyer, an activist of the Indian National Movement and an important leader of the Indian National Congress, who also served as the Congress President twice, 1919–1920 and 1928–1929. He was the founder patriarch of the Nehru-Gandhi family.
Document 15: Dadabhai Naoroji: Dadabhai Naoroji (4 September 1825 – 30 June 1917), known as the Grand Old Man of India, was a Parsi intellectual, educator, cotton trader, and an early Indian political and social leader. He was a Liberal Party member of Parliament (MP) in the United Kingdom House of Commons between 1892 and 1895, and the first Asian to be a British MP, notwithstanding the Anglo-Indian MP David Ochterlony Dyce Sombre, who was disfranchised for corruption.
ground_truth: Indian