 Frances Griffith, daughter and sole heiress of the first Baronet, married Sir Matthew Boynton, 1st Baronet, through which marriage the house came into the Boynton family (see Boynton baronets).The Griffith, later Waldie-Griffith Baronetcy, of Munster Grillagh in the County of Londonderry and of Pencraig in the County of Anglesey, was created in the Baronetage of the United Kingdom on 20 April 1858.For more information on this creation, see Waldie-Griffith baronets.