If you would like to expand on your yLineage, this is the place to do it. Let others know if your GGG Grandfather had brothers and sisters, but don't forget to post that on the DNA Test Participants Needed forum. The more places you let everyone know your lineage, the better chances someone will find it in an internet search.
Wm. Eugene Dickinson md. Pearl Ruby Phillips, 1903, S. Dakota
CLASS OF 1904 (198 LIVING, 18 DEAD)
WILLIAM EUGENE DICKINSON
(Cousin of Alan E. Gage, '12)
Physician; M.D.; b. O 22, 1877, Cedar Falls, Ia.; s. Henry A. (b. Ag, 1855, Ill) and Ellen (Gage) Dickinson (b. 1858, Ill.). Prepared in Sioux Falls (S.D.) H.S., Baptist Coll. and Univ. of Neb., 1900-03. Gen. Med. practice, Canastota, S. Dak., 1904---. Capt. M.R.C., U.S.A.; 1st S. Dak. Vol. in Phillippines, 1898-1900. Mem. S. Dak. State Med. Soc. Married Pearl Ruby Phillips, S 23, 1903, Sioux Falls, S. Dak. Child, John Henry, b. 1904. Address, Canastota, S. Dak.
Source: The Alumni Record, of the University of Illinois College of Medicine Alumni, Chicago Departments: Colleges of Medicine and Dentistry, School of pharmacy, published by the University of Illinois, 1921; Pg. 110