NPRNTitleType Of SiteRelationNPRN15911TitleTros-y-Marian, Glan-yr-AfonType Of Siten/aRelationAssociated withNPRN15913TitleTros-y-Marian, Walled Garden, MariandyrysType Of Siten/aRelationAssociated withNPRN301204TitleTros-y-Marian, Grounds and GardensType Of Siten/aRelationPart of
