Teresa Bagioli Sickles

Teresa Bagioli Sickles (1836–1867) was the wife of Democratic New York State Assemblyman, U.S. Representative, and later U.S. Army Major General Daniel E. Sickles. She gained notoriety in 1859, when her husband murdered her lover, Philip Barton Key, son of Francis Scott Key. As his trial, Sickles claimed for the first time in United States jurisprudence a defense by temporary insanity. He was acquitted.