No, she is not the sister or daughter of Mahnoor Baloch.
She has two brothers whose names are Farhan Baloch and Abbas Baloch. In her family she is very much loved and cared and her nickname is SAM. She is the younger sister of Sambreen Baloch who was Nirmal in Meri Adhoori Mohabbat on a private TV channels.
Her recent drama Zindagi Dhoop Ghana Saya is very popular and her more dramas are in the offing. Sanam Baloch was born on July 14. She has given successful drama serials and commercials in the short span of her career from early age. She is rising very rapidly.