She survives polio in a two-hour special at the end of the first season, and develops tuberculosis later in the series.
The Walton family elder, Grandpa Walton (Pilot, Edgar Bergen; seasons 1-6, Will Geer), husband of Esther Walton (née Morgan), and father of Benjamin Walton, who was killed in World War I, John Walton, Sr., and an unknown Walton child.