Additional information provided by Emilie Hevener Freer Jansma
Samuel N. Hevener, b. Bucks Co., PA died Blairstown, IA 22 Nov. 1891, buried Pleasant Hill Cemetery, Blairstown, Benton Co. Iowa. His son Samuel L. Hevener b. PA., died 24 dec. 1917 bur. same as father - Frank (Franklin) b. Pa 1855 according to 1860 census Forks Twsp. Northampton Co., PA
Samuel N. moved to Benton Co. sometime after the 1860 Census in which he was listed in Forks Twsp. Northampton Co. PA as a miller. Samuel L. was listed as an apprentice miller.
On a plot map of Leroy Twsp. Samuel N is shown with 80 acres and Samuel L. with 40.