Here is what I know about William McKinley and Nettie Ann Shelton.
I have that William McKinley was the sixth child of William Henry Goines and Louisa (??). He was born on June 9, 1860 in Cleveland, Tennessee and died on November 11, 1935. He married Nettie Ann (Anna) Shelton.
They had the following children.
1. George Washington Goines b. Sept. 10, 1886; d Oct 1, 1944. He married Amanda Jane Schonweiler.
2. James Harrison Goines b. Dec. 24, 1888, d. Feb. 9, 1970. He married Elizabeth Horton.
3. Andrew Henry Goines b. Feb. 4, 1891, d. May 23, 1975. He married Gertrude Freeman.
4. Bert S. Goines b. March 19, 1893 d. June 22, 1982
He married Ruth Perkins.
5. Sherman Willis Goines b. April 14, 1897 d. April 22, 1937.
6. Ezekiel Goines b. Dec. 3, 1900 d. Dec 5, 1980. He married Elva Rhodes.
7. Oscar Goines b. Sept. 9, 1903 d. Dec 13, 1914
8. Dovie Ida Estella Goines b. Feb. 19, 1906. She married Louis M. Byrd and John C. Staton.
9. Clifford Hubert Goines b. Jan. 30, 1908 d. Oct. 23, 1925.
William McKinley Goines had 7 brothers and 3 sisters. James Riley Goines, George Washington Goines, Sarah E. Goins, Edmond Louns Goines, Hugh W. Goins, John Andrew Jackson Goines, Mary Ann Goines, Abraham York Goines, Martha Ellen Goines, and Charles Henry Goins.
If you send me your e-mail address I can e-mail you a copy of everything I have listed here along with the information I have on the brothers and sisters.
Hope this helps.