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

Duck Dynasty’s Phil Robertson dies at 79 after Alzheimer's fight. Family mourns the patriarch as they prepare for the reality show revival

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,