John Church Hamilton (August 22, 1792 - July 25, 1882) was the fourth son, fifth child of the founding fathe rAlexander Hamilton.
 
John Hamilton was twelve years old when his father was killed in a duel with presidential candidate Aaron Burr.
After graduating from Columbia College in 1809, he served in the U.S. Army during the War of 1812 from March to June 1814 with the rank of second lieutenant. During this time he served as an aide de camp to Major General, and future president, William Henry Harrison.
 
Professionally he was a historian and lawyer, and devoted decades to writing about the life of his father and sorting through his letters and other papers. The Life of Alexander Hamilton and a seven-volume History of the republic of the United States of America are among several books that he published about his father's life