Royal coat of arms of the United Kingdom Wales is represented in the English coat of arms. However the argument is somewhat disengenuous as in 1535 the Welsh Dragon was already part of the Tudor Coat of Arms. Upon the accession of the Tudor monarchs, who were themselves of Welsh descent, a Welsh Dragon was used as a supporter on the Royal Arms. This was dropped by their successors, the Scottish House of Stuart, who replaced the Tudors' dragon supporter with the Scottish unicorn. In the 20th century, the arms of the principality of Wales were added as an inescutcheon to the coat of arms of the Prince
Royal House, Machynlleth town, in Heol Maengwyn, on the corner of Penrallt and Garsiwn. Royal House is a mid 16th century town-house, which combined, probably from the outset, domestic and commercial functions, with domestic accommodation between a shop facing the street and a slightly later store-house at the rear. It occupied a half-burgage plot within the late medieval town, and was built to run lengthwise down the plot. The building has been tree-ring dated, giving felling dates for timbers within the house of 1559–1561, and for the rear store-house range of 1576. Although the Royal House has had a long commercial history, much