Castle Opening of The Boathouse, 2012 On 7 September 2012, Princess Alexandra opened the Caerlaverock Shop and Tearoom in Glencaple, accompanied by the Lord-Lieutenant of Dumfries, Jean Tulloch. The tearoom was originally operated by Lady Mary Mumford, a former lady-in-waiting to Princess Alexandra, and her sister, Baroness Herries. It is now overseen by Lady Clare Kerr, Lady Mary's niece. References Villages in Dumfries and Galloway