Phil Robertson battled Alzheimer's disease before his tragic passing .

RadarOnline.com can reveal what went down in the final days of the Duck Dynasty star's life. Article continues below advertisement

When Did Phil Die?

Robertson died at the age of 79 on May 25, his family confirmed.

He notably founded Duck Commander in 1972. From 2012 to 2017, the family-operated hunting company became the center of the hit A&E reality TV series, Duck Dynasty . Article continues below advertisement

How Did His Family Announce His Death?

Phil's daughter-in-law Korie Robertson announced the professional hunter's death in a statement on Facebook on May 25.

"We celebrate today that our father, husband, and grandfather, Phil Robertson, is now with the Lord," she began the joint post wit

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