sentences:  The son of John Joseph Abercrombie, Sr. and Sarah DeNormandie, their family was living in Nashville, Tennessee when the younger John entered the United States Military Academy in 1818.Graduating 37th of 40 from the United States Military Academy in 1822, Abercrombie's class included future Union Army generals Joseph K. Mansfield, David Hunter, and George A. McCall, as well as future Confederate Army general Isaac R. Trimble.Abercrombie began his long military career with garrison duty at Baton Rouge, Louisiana, until 1825.