Trick question! There was more than one!
Colonel Paul Joseph REVERE, brevetted Brigadier-General of Volunteers for bravery and grandson of the midnight rider, was killed at the battle of Gettysburg while in command of the 20th Mass.
Edward Hutchinson Robbins Revere, his brother and a physician, was appointed assistant surgeon of the 20th Massachusetts volunteers on 14 September, 1861. He served with his regiment through the peninsular campaign and General John Pope's campaign on the Rappahannock, was present at Chantilly, and was killed at the battle of Antietam.