Mastani was the second wife of the Maratha Peshwa Bajirao I. She is said to have been a beautiful and brave woman, skilled in arts, literature, and warfare. She had been dearly loved by Peshwa Bajirao but always neglected by his mother and his brother.
Mastani was born to Bundelkhands Maharaja Chhatrasal of the Rajput clan. She was born in MauSahaniya, now a village in the Chhatarpur district of Madhya Pradesh. There is a Mastani Mahal in Dhubela where Mastani lived.
Source: Wikipedia