Two of Marvin Gaye's children have filed a countersuit accusing Robin Thicke of denying that their father influenced his record, "Blurred Lines." According to TMZ, Nona and Frankie Christian Gaye filed documents yesterday that addressed Robin's interviews with Billboard and GQmagazine, where he admitted that Marvin's "Got To Give It Up" was one of his favorite songs and that he wanted to replicate the record.