Background
Moon Moon Sen was born into a Bengali family in Calcutta to popular Bengali actress Suchitra Sen and Dibanath Sen. Her father, of Ballygunge Place, was the son of one of the wealthiest businessmen of Calcutta, Adinath Sen. Her great grandfather Dinanath Sen was the Diwan or a Minister of the Maharaja of Tripura.
Moon Moon Sen married in 1978, to a descendant of the royal family of Tripura state. They have two daughters, actresses Raima Sen and Riya Sen. She has high regard for her husband, for his consistent support of her professional acting career.
Her late mother-in-law, Ila Devi, daughter of Indira Raje, was the princess of Cooch Behar, and elder sister of Gayatri Devi, the Maharani of Jaipur.