Beverly Means DuBose Sr. (1886-1953) was the son of Robert Marion (1841-1907) and Elizabeth (Egleston) DuBose (1849-1918). Beverly was born in Sewanee, Tennessee, and attended the University of the South in Sewanee. He came to Atlanta, Georgia, in 1906 to work in the insurance industry with his cousin, Thomas Egleston. DuBose married Lula Dean Jones (1842-1961) in 1915 and the couple had two children: Beverly Means Jr. (1918-1986) and Elizabeth (DuBose) Skiles (1922-2000). DuBose worked for the insurance firm Perdue-Egleston from 1906 to 1923 and later became a partner in the firm DuBose-Egleston. He served on the board of Atlanta Stove Works, was a trustee of Egleston Hospital for Children and Girl Scouts of America, and was a member of the Civitan Club and Piedmont Driving Club. He was president of the Atlanta Historical Society (1948-1952); vice president of Atlanta Art Association; and a trustee of both the High Museum of Art and Atlanta Music Club. DuBose had a lifelong interest in the Civil War, which he shared with his children and grandchildren.

Beverly Means DuBose Jr. (1918-1986) married Frances "Duffie" Henley Woodruff (1919-2015) in 1939, and they had two children: Beverly Means DuBose III (1940-) and Dean Woodruff (DuBose) Smith (1947-). DuBose Jr. graduated from Emory University in Atlanta, Georgia, in 1939 and went to work at Perdue-Egleston, which later became DuBose-Egleston. He served as an officer in the United States Navy (1943-1946) and was stationed on the aircraft carrier USS Franklin D. Roosevelt. Later, he returned to Atlanta and worked as an executive with Johnson & Higgins Insurance Company, the largest privately owned insurance firm in the nation. He was tasked with expanding the business to the Southeast. Johnson & Higgins purchased DuBose-Egleston from DuBose Jr. in 1956. He was a charter member of the Civil War Round Table of Atlanta (1949) and later served as president (1951-1958). He was also a member of the Georgia Civil War Centennial Commission (1961-1965) and served as chairman (1963-1965). DuBose Jr. was president of the Atlanta Historical Society (1958-1960; 1967-1976) and was board chairman of the society for many years. He was a member of the Capital City Club and Piedmont Driving Club.

Frances "Duffie" Henley Woodruff DuBose was born in Columbus, Georgia, to Harry Ernest Woodruff (1883-1924) and Frances Henley Louise Woodruff Box (1897-1979). Mrs. DuBose graduated from Gulf Park College in Biloxi, Mississippi in 1938. She volunteered at Egleston Hospital for Children; was a member of the Iris Garden Club, Atlanta Junior League, Forward Arts Foundation, Ceramic Circle of Atlanta, and the National Society of Colonial Dames of America; and was on the board and chairperson of Historic Westville. Mrs. DuBose also created the Frances and Beverly DuBose Foundation, which provides grants for the support of education and historic preservation efforts.

Beverly DuBose III was involved in real estate development and construction in Atlanta. Along with his father, he assembled the largest private collection of Civil War military relics, which is now part of Atlanta History Center's Civil War collection. He is a graduate of Washington and Lee University and served three years in the United States Navy. He served on the board of trustees for several institutions including Washington and Lee University; the Civil War Trust; Gettysburg Foundation; and the American Civil War Center at Historic Tredegar. He has served on the board of trustees of the Atlanta Historical Society (later Atlanta History Center) serving two terms as president (1996-2000). DuBose III is a member of the board of The Museum of the American Revolution and has received the John Macpherson Berrien Award for Lifetime Achievement in History from the Georgia Historical Society. He is a member of the Society of the Cincinnati, Company of Military Historians, and Piedmont Driving Club.