George Dotson was a son of the family of David Dotson (1818-1898) and Mary (Jackman) Dotson (1826-1908). His father, David, was one of six children in his birth family, and was one of three of those children who moved from Pennsylvania to Louisa County, Iowa. His parents, George's grandparents, were Daniel Dotson of Wales/Pennsylvania (1776-1840) and Marry Sutton of England/Pennsylvania (1784-1846).
George Workman Dotson, born in 1867, was the last child in his family. He had been preceded by:
John Thomas Dotson (1848-1863), who never married.
Bazzel Luther Dotson (1849-1927), the husband of Eliza Jane Paisley (1852 - ?).
William Dotson (1852-1864).
Oella Dotson, born about 1856, the wife of Milton Lafayette "Lafe" Packwood, and mother of seven.
Samuel Dotson (1858-1931), who married Nellie E. Brady (1886-1918).
Nancy Jane Dotson (1860-1864).
Hattie Katherine "Kate" Dotson (1866-1949), who never married.