“Duck Dynasty” star Phil Robertson dead at 79

Phil Robertson FILE PHOTO: Duck Dynasty's Phil Robertson gives the invocation prior to the NASCAR Sprint Cup Series Duck Commander 500 at Texas Motor Speedway on April 9, 2016 in Fort Worth, Texas. (Photo by Chris Graythen/Getty Images) (Chris Graythen/Getty Images)

Phil Robertson, patriarch of the Robertson family known for the reality series “Duck Dynasty” has passed away at the age of 79.

His daughter-in-law Korie Robertson posted the news to her Facebook page on Sunday.

"We celebrate today that our father, husband, and grandfather, Phil Robertson, is now with the Lord,“ the post said.

Robertson’s family confirmed that he had been diagnosed with Alzheimer’s disease in December.

“Duck Dynasty” aired on A&E from 2012 to 2017.