Achau rhai o deuluoedd hen Siroedd
A comprehensive list of the genealogy of the areas from the Llŷn Peninsula, through Meirionnydd to Montgomeryshire, with a thorough index, tables and maps.
A comprehensive list of the genealogy of the areas from the Llŷn Peninsula, through Meirionnydd to Montgomeryshire, with a thorough index, tables and maps.