Gay died of an autoimmune illness at the age of 47 in 1994. Gay, Saget’s older sister, is depicted with him and their mother Dolly in the photo above. Gay, his second older sister, died nine years later at the age of 47, after a three-year battle with the autoimmune disease scleroderma. Andrea Saget, Saget’s older sister, died in 1985 at the age of 35 from a brain aneurism.