Question: Who was the great-grandfather of the American socialite who lived in Bulloch Hall as a child?

Context paragraphs:
Paris Latsis: Paris Latsis (born Paris Kasidokostas; August 8, 1979) is a Greek shipping heir and socialite.  He is the grandson of Yiannis "John S." Latsis.  He is also the former fiancé of American socialite Paris Hilton.

Elliott Bulloch Roosevelt: Elliott Bulloch Roosevelt (February 28, 1860 – August 14, 1894) was an American socialite.  He was the father of First Lady Eleanor Roosevelt and the younger brother of Theodore Roosevelt (1858–1919), the 26th President of the United States.  Elliott and Theodore were of the Oyster Bay Roosevelts; Eleanor later married their Hyde Park distant cousin Franklin Delano Roosevelt (1882–1945), the 32nd President.

Janet Auchincloss Rutherfurd: Janet Jennings Auchincloss Rutherfurd (June 13, 1945 – March 13, 1985) was an American socialite.  She was the half-sister of the former First Lady of the United States, Jacqueline Kennedy Onassis and socialite Lee Radziwill.

Frank Armstrong Crawford Vanderbilt: Frank Armstrong Crawford Vanderbilt (January 18, 1839 – May 4, 1885) was an American socialite and philanthropist.  During the American Civil War, she was a strong supporter of the Confederate States of America.  After the war, she lived in New York City and married multi-millionaire Cornelius Vanderbilt, who donated $1 million to establish Vanderbilt University in Nashville, Tennessee.

Devorah Rose: Devorah Rose, born Deborah Denise Trachtenberg, is an American socialite and the Editor-in-Chief of Social Life Magazine, a New York City socialite, a television personality and entrepreneur.  "The New York Observer" named Rose one of the top 50 Media Power Bachelorettes.  Rose has been described by "The New Post" as a “real life Blair Waldorf” and by "The New York Times" as “One part Lily Bart, one part Holly Golightly.”

Essie Wick Rowland: Essie Wick Rowland (née Osborn; September 2, 1871 – August 20, 1957) was an American socialite.  She was deeply engaged in New York Society as a member and president of numerous society organizations.  She supported women's suffrage, poverty alleviation, social causes, and civic engagement.  Known socially as "Mrs. William Foster Rowland," her name demanded respect and was prominently featured in New York papers.  Her legacy was survived through her daughter and socialite, Lillian Wick Neale (died 1992), and her son-in-law, John Henry Neale II.

Irvine Bulloch: Irvine Stephens Bulloch (June 25, 1842 – July 14, 1898) was an officer in the Confederate Navy and the youngest officer on the famed warship CSS "Alabama".  He fired its last shot before it was sunk off the coast of France at the end of the American Civil War.  He was a half-brother of James Dunwoody Bulloch and a full brother of socialite Martha Stewart "Mittie" Bulloch.  Mittie was the mother of future U.S. President Theodore Roosevelt (1858–1919) and paternal grandmother of First Lady Anna Eleanor Roosevelt (1884–1962).

Martha Bulloch Roosevelt: Martha Bulloch "Mittie" Roosevelt (born Martha Stewart Bulloch; July 8, 1835 – February 14, 1884) was an American socialite.  She was also the mother of US President Theodore Roosevelt and the paternal grandmother of Eleanor Roosevelt.  She was a great-granddaughter of Archibald Bulloch, grandniece of William Bellinger Bulloch, and granddaughter of General Daniel Stewart.  A true southern belle, she is thought to have been one of the inspirations for Scarlett O'Hara.

Bulloch Hall: Bulloch Hall is a Greek Revival mansion in Roswell, Georgia, built in 1839.  It is one of several historically significant buildings in the city and is listed on the National Register of Historic Places.  This is where Martha Bulloch Roosevelt ("Mittie"), mother of Theodore Roosevelt, 26th U.S. President, lived as a child.  It is also where she married Theodore Roosevelt's father, Theodore Roosevelt, Sr. The Roosevelt family are descendants of Archibald Bulloch, the first Governor of Georgia (1730-1777).

Archibald Bulloch: Archibald Bulloch (January 1, 1730 – February 22, 1777) was a lawyer, soldier, and statesman from Georgia during the American Revolution.  He was also the great-grandfather of Martha Bulloch Roosevelt, and the great-great-grandfather of Theodore Roosevelt, the 26th President of the United States.

Supporting paragraphs: Bulloch Hall Martha Bulloch Roosevelt
Answer: Archibald Bulloch