A man, his wife and their two children were found dead in a Shivaji Nagar slum on Friday. The five-month pregnant woman and her two children died due to poisoning while the man was found hanging.Bodies of Shakeel Khan (34), his wife Rabiya (25), Sarfaraz (7) and Aatifa (3) were found around 12pm at Indira Nagar slums. Police have registered four accidental death cases and sent the bodies to Rajawadi Hospital in Ghatkopar for post-mortem.