India, May 26 -- Phil Robertson, star of the popular television series Duck Dynasty, has died, his daughter-in-law revealed on Facebook. He was 79 years old. Robertson's passing comes after his battle with Alzheimer's and other health issues.

His daughter-in-law Korie Robertson wrote on Facebook: "We celebrate today that our father, husband, and grandfather, Phil Robertson, is now with the Lord. He reminded us often of the words of Paul, 'you do not grieve like those who have no hope. For we believe that Jesus died and rose again, and so we believe that God will bring with Jesus those who have fallen asleep in him."

No cause of death has been revealed yet.

Phil Robertson's health deteriorated significantly, as detailed by his sons Jase...