Phil Robertson

Kay Robertson didn't attend a premiere event for the 'Duck Dynasty' revival, and her son Willie Robertson said she's struggling with both mental and physical challenges since her husband Phil's death.

Miss Kay has been battling her own health issues.

The 79-year-old died on May 25 after a battle with Alzheimer's and other ailments.

The movie shares "never-before-revealed" stories about Phil Robertson.

"Although legally he is my grandpa, I've never just seen him as that," Mia Robertson begins. "I've seen him as my friend, my mentor, my ally and my inspiration."

Sadie Robertson shared Phil Robertson's last words to her and a photo that looks to have been snapped during his final moments.

In a touching farewell, Phil Robertson urges his family to celebrate, a powerful reminder of the impact he had on so many lives.

Family shared the news of Phil Robertson's death on Sunday night.

"We've seen many doctors and are just getting the best care we can and best things that we can and trying to figure out what's next."

"He's really struggling."