According to Mackenzie Phillips , the affair with her father lasted 10 years . John Phillips ' family was hit with claims of incest by daughter Mackenzie . John Phillips , who died in 2001 , lived life of crime . Mamas & Papas were leading California group of the 60s , with tangled romantic links . John Phillips was heavy drug user , once convicted of drug trafficking .
John Phillips ' family was hit with claims of incest by daughter Mackenzie . John Phillips , who died in 2001 , lived life of crime . Mamas & Papas were leading California group of the 60s , with tangled romantic links . John Phillips was heavy drug user , once convicted of drug trafficking .