'Duck Dynasty' star Phil Robertson passes away at age 79

Reality star Phil Robertson has passed away at age 79 after a heartbreaking battle.

The news of his death was confirmed by his family via Facebook on Sunday.

"We celebrate today that our father, husband, and grandfather, Phil Robertson, is now with the Lord," Phil's daughter-in-law Korie Robertson wrote.

In the statement, she also thanked those who had prayed for Phil amid his struggle with Alzheimer's disease in his final months.

She acknowledged Phil's bravery as he told loved ones that he was not afraid of death and considered it a return to the kingdom of God.

"Thank you for the love and prayers of so many whose lives have been impacted by his life saved by grace, his bold faith, and by his desire to tell everyone who would listen the Good News of Jesus," she wrote.

"We are grateful for his life on earth and will continue the legacy of love for God and love for others until we see him again."

Phil was diagnosed with Alzheimer's disease late last year, which was announced by his family on their Unashamed with the Robertson Family podcast.

Phil's son Jase Robertson previously revealed that the professional hunter-turned-reality star had also been battling a blood disease.

On an April 11 edition of the podcast, Jase and Al Robertson said Phil and his ailing wife Kay had been staying in the same facility.

"We now have Phil and Kay back together - it has been fantastic," he said

"My dad's not doing great overall, and my mom is not doing great physically. She has to have pretty much 24/7 professional healthcare, but my dad, it's like... he's been so much calmer since she came back," he noted.