Analysis of information sources in references of the Wikipedia article "Viceroy" in English language version.
Languages: Anglo-Norman "Edward III and Henry, Duke of Lancaster, of the Order of the Garter "Roy Edward"
...the kings of England have retained the custom of using the Old Norman language when they give the royal assent... as: Le roy le veult;
C16: from French, from vice3 + roy king, from Latin rex
The series of images of English kings from Edward the Confessor to Edward I in London, British Library, Cotton MS Vitellius A. XIII/1 is widely familiar from television, textbooks, websites, and exhibitions. In spite of this, the origins and context of this set of four leaves are mysterious. The limited attention given to them has focused on the images rather than the Anglo-Norman captions attached to them, which forms a genealogy of the kings, derived from earlier sources. "Sir Lowys fiz le Roy Phylippe de Fraunce en Engletere. Le Roy Jon regna .xvii. aunz e demy..." "Sir Louis, the son of Philip king of France, came into England.... King John reigned for seventeen and a half years..."