Samuel and Elizabeth

Does anyone know anything about Samuel Masters?Born c1782 in PA.Married Elizabeth Alexander in Bracken Co. KY in 1818.They had one son that I know of, Alexander who married Rowena Graham in 1838 in Brown Co Ohio.All of them were in Hendricks Co. IN in the 1840-50 census records.What happened to Samuel and Elizabeth?Where did they die.Were there other children?Your help appreciated. Mary Lou Masters Sheldon.E-mail marylous@ott.net