question: Who is Khande Rao Holkar's paternal grandmother?
context: Title: Malhar Rao Holkar II
  Passage: Maharajadhiraj Raj Rajeshwar Shrimant Malhar Rao II Holkar VII Subadar Bahadur (1806–27 October 1833), belonging to the Holkar dynasty of the Marathas was the Maharaja Holkar of Indore (Hokar State) (r. 1811–1833). 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.
  Title: Khande Rao Holkar
  Passage: 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.
answer: Krishna Bai Holkar
citations: Khande Rao Holkar Malhar Rao Holkar II