By David Mccormack PUBLISHED: 09:00 EST, 16 April 2013 | UPDATED: 09:04 EST, 16 April 2013 Once one of the richest and most powerful figures in Hollywood, Merv Adelson has been taken to court by his third wife over unpaid child support. Adelson, 83, was once worth $300 million after his TV production company Lorimar has a run of massive hits in the 1980s including The Waltons, Dallas and Knots Landing. At the height of his success he married Barbara Walters in 1986, but the marriage suffered from their careers being based on different coasts and they divorced in 1992.
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Merv Adelson made a $300m fortune from hit TV shows including Dallas
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He once had a Malibu beach house and a private jet, but now lives in a 500 sq ft studio apartment
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His third wife has taken him to court for unpaid support for their two daughters
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