Henry Diltz/Corbis via Getty Mama Cass’ daughter Owen Elliot-Kugell is opening up about her experience with the pop group Wilson Phillips in her upcoming book and a new conversation with PEOPLE.

Owen Elliot-Kugell, the daughter of late The Mamas & the Papas member Cass Elliot, is setting the record straight on her mother's death in her new memoir, My Mama, Cass. In July 1974, Cass passed ...

Why Mama Cass' Daughter Owen Was Not Part of Wilson Phillips: 'My Voice Was Too Loud' (Exclusive) In a recent interview with PEOPLE, Elliot-Kugell, 57 — daughter of Mama Cass from The Mamas ...