Stewart of Darnley Stewart of Darnley Stewart of Darnley was a notable Scots family, a branch of the Clan Stewart, who provided the English Stuart monarchs with their male-line Stuart descent, after the reunion of their branch with the royal Scottish branch, which led to the ultimate union of the two main kingdoms of Great Britain: England and Scotland. In 1565 the House of Stewart of Darnley was re-united with the Royal House of Stewart when Henry Stuart, Lord Darnley married his first cousin, Mary, Queen of Scots, both being grandchildren of Margaret Tudor, daughter of King Henry VII of England, and hence
Henry Stuart, Lord Darnley the Spanish Ambassador in Paris heard this news, the headlines were that Darnley "had murdered his wife, admitted the exiled heretics, and seized the kingdom." However, on 20 March, Darnley posted a declaration denying all knowledge of or complicity in the Rizzio murder. Mary no longer trusted her husband, and he was disgraced by the kingdom. On 27 March, the Earl of Morton and Lord Ruthven, who were both present at Rizzio's murder and had fled to England, wrote to Cecil claiming that Darnley had initiated the murder plot and recruited them, because of his "heich quarrel" and "deadly hatred"