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 Naval House historical and scientific cultural values. The site and building are also of State heritage significance for their contribution to The Rocks area which is of State Heritage significance in its own right. Royal Naval House has associations with William Davis, who once owned the land. Commodore James Goodenough, , the Commander of the Royal Navy's Australian Station in the late 19th Century and John Shearston who were instrumental in establishing practical welfare for sailors when ashore. Shearston was the first superintendent of Royal Naval House and it was nicknamed "Johnnies" by sailors after him. Royal Naval House has social significance