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.

Phil Robertson was diagnosed with Alzheimer's disease in December 2024 and died five months later at the age of 79.

Duck Dynasty patriarch Phil Robertson's family announced that he died on Sunday, May 25, at age 79. He had been diagnosed with Alzheimer's disease in December Prior to his death, his daughter-in-law Korie,