Roberton's family announced his death after revealing his Alzheimer's diagnosis in December Duck Dynasty is saying goodbye to Phil Robertson. At the end of the June 1 premiere episode of Duck Dynasty: The Revival,

Five years before Phil Robertson died, an unexpected addition came into his life. In early 2020, the Duck Dynasty patriarch found out that he had an adult daughter named Phyllis, whom he fathered after an affair in the 1970s.