Lucius Quintus Cincinnatus Lamar I (maternal uncle), Joseph Harris Chappell (October 1849 – April 6, 1906) was an American educator, pedagogue, curriculum designer, author, and college president.

His brother Lucius Henry Chappell (1853–1928) served two terms as mayor of Columbus, Georgia.

[5] Another brother, Thomas Jefferson Chappell (1851–1910), was a lawyer, judge, and state legislator who served two terms in the Georgia House of Representatives.

[6] Chappell was primarily raised in the city, with two years in childhood spent on his father's cotton plantation[3] in Georgia.

[2] He oversaw the building of the Georgia Normal and Industrial College campus and its curriculum.