 Ruma (now, Ruma Guha Thakurta) was the daughter of Satyen Ghosh (better known as Montey Ghosh) and a niece to Smt.Bijoya Roy, the wife of the legendary film director Satyajit Ray (son of writer Sukumar Ray and grandson of writer and publisher Upendrakishore Raychowdhury).Her mother Sati Devi, a talented singer, was the elder sister of Bijoya, the legendary director's wife.