Where were Grace and Rachel Martin born?

Grace and Rachel Martin, were two women who were fed up with the way that the British had been treating women and children during the American Revolution. The two women decided that they were going to retrieve documents from a British courier. At night the two women dressed as men and took their husbands pistols and set out to find the courier. The two women found the courier and successfully retrieved the documents. The women dresses as men were found at their house, however nothing could be proved, because the courier thought it was men.