"Miss Kay" Robertson appears in an early episode of "Duck Dynasty: The Revival," but health issues have kept her from filming more episodes.

Five years before Phil Robertson died, an unexpected addition came into his life. In early 2020, the Duck Dynasty patriarch found out that he had an adult daughter named Phyllis, whom he fathered after an affair in the 1970s.

Phil Robertson’s daughter-in-law shares heartfelt memories and the emotional final days of the Duck Dynasty star’s battle with Alzheimer’s.