""Capt. Albert J. Gaulden their 7th son was born May 12, 1823 and was assassinated in San Miguiel, Mexico May 28, 1848. At that time he was Capt. of a volunteer company in the U.S. Service in the Mexican War." 
Find A Grave Memorial# 97185199, Capt. Albert J. Gaulden, Gaulden Cemetery, Brooks County, Georgia, USA. 
It may be possible to confirm family relationships with Albert J. by comparing test results with other carriers of his ancestors' Y-chromosome or mitochondrial DNA.
Y-chromosome DNA test-takers in his direct paternal line on WikiTree: