Keywords: Dewi Wyn o Eifion.jpg David Owen http //www bbc co uk/arts/yourpaintings/paintings/david-owen-dewi-wyn-o-eifion-17841841 William Roos 1808 ”1878 Institution National Museum Cardiff object history exhibition history credit line accession number mid 19th Century PD-old-100-1923 Art of Wales Paintings in National Museum Cardiff David Owen Dewi Wyn o Eifion William Roos |