A pittilesse mother : That most vnnaturall at one time, murthered two of her owne children at Acton within sixe miles from London vppon holy thursday last 1616. The ninth of May. Being a gentlewonan[sic] named Margret Vincent, wife of Mr. Iaruis Vincent, of the same towne. With her examination, confession and true discouery of all the proceedings in the said bloody accident