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,

Duck Dynasty's Korie Robertson detailed father-in-law Phil Robertson’s rapidly declining health days before his death at the age of 79.