 Massy escaped after six days and gave a deposition, "Capture and Escape of Mercy Harbison, 1792", which is an example of the American literary genre of captivity narratives.Mary Jane "Massy" White was born on March 18, 1770, in Amwell, New Jersey, the daughter of Edward White, a soldier during the Revolutionary War, and Rebecca Pelton, a descendant of Richard More (Mayflower passenger).She married John Harbison in 1787 in Pennsylvania.