Two of Marvin Gaye’s children have responded to Robin Thicke, Pharell Williams, et. al., by issuing a lawsuit of their own. Weeks after Thicke and Williams filed a suit saying they had not plagiarized Gaye’s “Got To Give It Up” for the 2013 summer jam “Blurred Lines,” Gaye’s heirs are saying that Thicke not only jacked their father’s record, but admitted it.