Cyrus Mistry is the son of construction tycoon Pallonji Shapoorji Mistry. Valued at $8.8 billion, Pallonji holds an 18.5 per cent stake in Tata Sons, making him the single largest shareholder. 43-year-old Cyrus is the younger son of Pallonji and is married to Rohika Chagla, the daughter of lawyer Iqbal Chagla. He has an elder brother - Shapoor Mistry and one of his sisters is married to Noel Tata, Ratan Tata's half-brother.