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

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,

Late Duck Dynasty star Phil Robertson revealed that he had an adult daughter from a past affair years before he died at 79. In Touch looks back on his surprising revelation after she took to social media in 2025 with a statement to honor his memory in the wake of his passing.