Prithvipati Shah
Prithvipati Shah( ?–1716) was the king of the Gorkha Kingdom in the Indian subcontinent, present- day Nepal.
He was the grandfather of Nara Bhupal Shah.
Kaya Alp
Kaya Alp was, according to Ottoman tradition, the son of Kızıl Buğa and the father of Suleyman Shah, who was, in turn, the grandfather of Ertuğrul, and the great grandfather of the Ottoman Empire founder, Osman I.
Parvatibai
Parvatibai( Marathi:)( 6 April 1734 – 23 September 1763) was second wife of Sadashivrao Bhau.
She was from Kolhatkar family of Pen and was married to Sadashivrao Bhau after the death of his first wife Umabai and hence became a member of the Peshwa family.
She was also a trusted confidante of Shahuji.
Her niece Radhikabai was married to Vishwasrao.
Chimaji Appa
Shreemant Chimaji
Ballal Peshwa (aka Chimaji Appa)(aka Pandit Chimaji Saheb)(1707–1740) was the son of Balaji Vishwanath Bhat and the younger brother of Bajirao Peshwa of Maratha Empire.
He was an able military commander who liberated the western coast of India from Portuguese rule.
The high watermark of his career was the capture of Vasai fort from the Portuguese in a hard fought battle.
Guillaume Wittouck
Guillaume Wittouck( 1749- 1829) was a Belgian lawyer and High Magistrate.
He was the Grandfather of industrialist Paul Wittouck.
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
Radhikabai
Radhikabai Gupte( 4 July 1745 – 29 November 1798) was the bright and beautiful daughter of Sardar Gupte of Nashik, Maharashtra, India, a Tipnis( secretary) of Baji Rao I and later Raghunathrao.
Radhikabai was trained in administration and warfare at Chhatrapati Shahu I's Ajinkyatara fort since childhood.
She was the niece of Parvatibai, wife of Sadashivrao Bhau, and was emotionally attached to her.
She was engaged to Shrimant Vishwasrao Peshwa.
Sadashivrao Bhau
Sadashivrao Peshwa (3 August 1730 – 14 January 1761) was son of Chimaji Appa (younger brother of Bajirao I) and Rakhmabai
(Sardar Pethe family) and the nephew of Bajirao Peshwa.
He served as the Sardar Senapati (Commander-in-Chief) of the Maratha army at the third battle of Panipat.
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).

Question: Who is Sadashivrao Bhau's paternal grandfather?