He married Suzanne Brière, a French Catholic, and had five children, including: J. R. D. Tata (29 July 1904 – 29 November 1993), son of Ratanji Tata by his wife Suzanne. As 4th Chairman of Tata Group, he pioneered Indian aviation and founded Tata Airlines (later known as Air India) Sylla Tata, daughter of Ratanji Dadabhoy and elder sister of J. R. D. She was married to Dinshaw Maneckji Petit, 3rd baronet Petit. Her sister-in-law, Rattanbai Petit, was married to Muhammad Ali Jinnah, the founder of Pakistan, and Rattanbai and Jinnah's daughter, Dina Jinnah, was the wife of Neville Wadia.[4]