The eventful lives of Helen and Charlotte Lenoxa : the twin sisters of Philadelphia, with elaborate and minute details of the adventures, intrigues, and dark crimes, of these beautiful, but sinful women, the former of whom was hung at Knoxville, Tennessee, August 20th, 1852, for the double murder of Captain Gerald Vernon and his young wife, while the latter, who was also convicted and sentenced to death for participation in the same foul murder, committed suicide in the jail the day previous to her sister's execution.