I have a copy of Floyd B. Bennett and Frank V. Phelps' book "Genealogy of William #1 Atchison, ca 1650 - 1698/99" copyright 1/2001.
In the book, it shows:
John #4 Atchison born abt 1744 in MD., and died November 1803 in Ross Co., OH married Rebecca (?) abt 1767
Children: Letitia (Letty) Atchison, John J Atchison, Charles L J Atchison, Fielding H (J) Atchison, Rachel Atchison, Chloe Atchison, Samuel Atchison, William Atchison, Catharine Atchison, Sarah "Sally" Atchison, Rebecca Atchison
John's son Samuel Atchison was born abt. 1782 in VA., and died Abt. 1830 in Ill., married Rachel Pancake abt. 1806 in Ohio, then he married Sarah Harrison June 25, 1815 in Pickaway Co., OH. Children of Samuel & Rachel: Sidney Atchison, Fielding H. (S) Atchison, Frederick Atchison. Children of Samuel and Sarah: John Harrison Atchison, William Atchison.
Samuel's son Fielding H. (S) Atchison was born Abt. 1810 in Ohio, and died July 1852 in Deleware Co., Iowa, m. Julia Ann Pyle Feb. 13, 1834 in Morgan Co., IL, born Abt. 1808 in Christian Co., KY and died Abt. 1880 in Iowa. Children: Sarah Atchison, James N. Atchison, Wesley Atchison, William Atchison, John Smith Atchison. (Wesley and William have the same birthdate.)
Fielding's son Wesley Atchison (twin?) was born February 1847, Deleware Co., Iowa and died Jan. 12, 1916, Buena Vista, Iowa, married Mary Elizabeth Tinkey August 15, 1867 in Cassville, Wisc., born May 1850 in Liberty Twp, St. Joseph Co., IN, and died June 11, 1930 in Dubuque, IA. Children: Edward L "Edwin" "Dogfish" Atchison, Almira Jane Atchison, George Atchison, Mamie Atchison, Benjamin Atchison, Sarah Lavisa Atchison, Wesley "Bess" Atchison, Effie May Atchison, Fieldon "Peanuts" Atchison.
Welsey's son Wesley "Bess" Atchison was born July 05, 1885, Turkey River, Iowa, and died July 29, 1947, Dubuque, IA, and married Fanny Avis Cornwell on Dec 28, 1911 in Clayton Co., IA. He married Bertha Matilda "Tina" Debord on Mar 27, 1919 in Dubuque, IA( after Wesley jr died in 1947 she remarried, John Merz) Children of Bess & Fanny: Dora Elizabeth Atchison, four other children died in infancy. Children of Bess & Tiny: John Wesley Atchison, Nellie Irene Atchison, Irma Jean Atchison, Mary Jane Atchison, Benjamin Roy "Benny" Atchison.
Wesley's daughter Nellie Irene Atchison was born Feb 18, 1921, Galena, IL and died April 21, 1971, Dubuque, IA. She married m1-??? Tucker, m2-Elmer John Cornwell July 13, 1936 in Dubuque, IA (deceased 2-10-1942), m3- Mark Charles Ohnesorge (deceased) on 05-21-1952, Children of Nellie & Elmer Cornwell: Francis Burdette Crews (Cornwell), Irene Elizabeth Crews (Cornwell), Elmerial Ann Cornwell. Children of Nellie and Mark Ohnesorge: Bertha Agnes "Birdie" Ohnesorge, Camille Elizabeth "Cammy" Ohnesorge.
Nellie's daughter Bertha Agnes "Birdie" Ohnesorge was born 08-16-1952 in Dubuque, IA, married John Charles Tucker, then she married Aufmett Nafi Dereoglu Sept 27, 1974 in Kenosha, Wisc. Children: Irene Ruth Tucker, Shawn Charles Tucker, J.C. Tucker
Hope this helps,