Alden and Alice (Hahn) Onstine, 1957. Alden Onstine was the great grandson of Henry Onstine and the grandson of Michael Henry and Augusta Onstine. Alden was the last Onstine to live on the original farm, recognized in 1958 as a Minnesota Century Farm for its continuous family ownership dating back to 1853. Used with the permission of Amy Jo Hahn.