Prateek Yadav, 38, stepbrother of Akhilesh Yadav and ex-husband of BJP leader Aparna Yadav, was found dead at Lucknow's Civil Hospital early Wednesday. Doctors declared him brought dead. The younger son of the late Mulayam Singh Yadav, Prateek was not involved in politics. A post-mortem is underway to determine the cause of his demise.