question: Who is Khande Rao Holkar's paternal grandmother?
context: [["Khande Rao Holkar II", ["H.H.Maharajadhiraj", "Raj Rajeshwar", "Sawai Shri Khande Rao II Holkar X Bahadur( 1828 \u2013 17 March 1844), belonging to the Holkar dynasty of the Marathas was Maharaja of Indore( Hokar State)( r. 1843 \u2013 1844).", "He was born at Jotsikhera in 1828, as the eldest son of Shrimant Sardar Bapuji Rao Holkar of Jotsikhera.", "He was adopted by his cousin, Maharaja Hari Rao Holkar IX, 2 July 1841( recognised by the Government of India, 30 August 1841), and succeeded on the death of his adopted father, 24 October 1843.", "After the death of Hari Rao Holkar, his adopted successor Khande Rao was formally installed on 13 November 1843, and his succession was recognized by the British Government.", "He reigned under the Regency of his adopted grandmother, Maharani Krishna Bai Holkar Maji Sahiba.", "Being weak in mind and body, he was entirely under the influence of his minister Raja Bhau Phanse.", "He suddenly died on 17 March 1844, without having adopted son and successor or assigning that responsibility to his widow or mother."]], ["Hari Rao Holkar", ["Hari Rao Holkar (1795-1843),", "formally Maharajadhiraj Raj Rajeshwar Sawai Shri Hari Rao Holkar IX Bahadur, belonging to the Holkar dynasty of the Marathas was Maharaja Holkar of Indore (Hokar State) from 17 April 1834 until his death at the Juna Rajwada Palace in Indore on 24 October 1843.", "Hari Rao's accession to the throne (\"gaddi\") was the result of a popular uprising against the adoption and crowning of the child Marthand Rao Holkar by Krishna Bai Holkar, the mother of the deceased Maharaja Malhar Rao Holkar II.", "In 1819, Hari Rao was involved in a power struggle with members of the royal family and was imprisoned at Maheshwar for leading an insurrection.", "After the crowning of Marthand Rao in January 1834, Hari was freed by supporters, who then convinced Krishna Bai to agree to his succession instead.", "He was subsequently adopted by the widow of the deceased Maharaja on 18 March and formally installed on the throne on 17 April 1834 at the Juna Rajwada Palace.", "The British Government remained neutral regarding these succession struggles.", "Later, however, as Hari Rao's health deteriorated, the British Resident pressed him to appoint an heir.", "On 2 July 1841, Hari Rao adopted Khande Rao Holkar, the 11-year-old son of Bapuji Rao Holkar, a zemindar of Jotsikhera (near Indore).", "Soon after, when Hari Rao retired from public life due to his health, Lord Ellenborough, the Governor General, interceded to ensure the appointment of capable ministers to prevent supporters of Marthand Rao from challenging the succession."]], ["Malhar Rao Holkar II", ["Maharajadhiraj Raj Rajeshwar Shrimant", "Malhar Rao II Holkar VII Subadar Bahadur (1806\u201327 October 1833), belonging to the Holkar dynasty of the Marathas was the Maharaja Holkar of Indore (Hokar State)", "(r. 1811\u20131833).", "He was born at Bhanpura in 1806 and was the only son of Yashwant Rao Holkar VI, Subadar of the Holkar Domains, and his wife Krishna Bai Holkar Mahasahiba."]], ["Khande Rao Holkar", ["Shrimant Sardar Khande Rao Holkar Subedar Bahadur (1798 - 22 February 1807), belonging to the Holkar dynasty of the Marathas was the Maharaja of Indore (r. 1799 - 1806).", "He was born in Poona in 1798, as posthumous son of Malhar Rao Holkar II.", "He died from cholera at Shahpur, near Kotah on 22 February 1807."]], ["Krishna Bai Holkar", ["Maharani Krishna Bai Holkar( died September 1849) was a queen of Yashwant Rao Holkar, Maharaja of Indore, and mother of Maharaja Malhar Rao Holkar II."]], ["Gautama Bai Holkar", ["Maharani Gautama Bai Holkar", "[ Tai Sahib](?", "- 12 May 1859) was one of the queens of Malhar Rao Holkar II, Maharaja of Indore.", "After the death of her husband in 1833, she adopted Marthand Rao Holkar and then, under popular and military pressure, Hari Rao Holkar to succeed him."]], ["Male Rao Holkar", ["Shrimant Subhedar Male Rao Holkar II Bahadur (1745 - 5 April 1767), belonging to the Holkar dynasty of the Marathas was the Maharaja of Indore (r.1766 - 1767).", "He was only son of Khande Rao Holkar Bahadur, and his wife Ahilya Bai Holkar."]], ["Vithoji Rao Holkar", ["Shrimant Sardar Vithoji Rao Holkar( 1776 \u2013 16 April 1801), was the fourth son of Sardar Tukoji Rao Holkar.", "He also known as Vithoba."]], ["Hannah Arnold", ["Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children."]], ["Hubba bint Hulail", ["Hubba bint Hulail was the grandmother of Hashim ibn' Abd Manaf, thus the great- great- great- grandmother of the Islamic\" Nab\u012b\"( Prophet) Muhammad ibn Abdullah."]]]
supporting_facts: [["Khande Rao Holkar", 1], ["Malhar Rao Holkar II", 3]]
evidences: [["Khande Rao Holkar", "father", "Malhar Rao Holkar II"], ["Malhar Rao Holkar II", "mother", "Krishna Bai Holkar"]]
answer: Krishna Bai Holkar