The Mrs. K. referred to in Austen's letter was Mrs. Catherine Knight, nee. Knatchbull. She and her husband Thomas "adopted" Jane's brother Edward and treated him as their own son, sending him on a grand tour of Europe and leaving him their property. Indeed a few years after her husband died in 1794, Mrs. Knight passed on the two estates of Godmersham in Kent and Chawton in Hampshire to Edward. Godmersham is today in private hands, but the Chawton property now is the home of the Chawton House Library and the Jane Austen House Museum, both well worth visiting on your next jaunt to Hampshire. The picture to the left is a portrait of Catherine Knatchbull Knight about the time of her marriage in 1779.