The Mamas & the Papas Imploded Over “Toxic” Relationships, New Book Says Fox News: July 27, 2023The Mamas & the Papas star’s ‘cruel’ cause of death rumor ‘another fat joke,’ author says: ‘Simply not true’“Mama” Cass Elliot of The Mamas & the Papas died on July 29, 1974, in London. She was 32. For years, rumors persisted that the late singer choked on a ham sandwich. The Mamas & The Papas – Top 5 Deep Cuts