Royal standards of England red; those of the House of Lancaster were white and blue, the colours of the House of York were murrey (dark red) and blue. The liveries of the House of Tudor were white and green; those of the House of Stuart – and of George I – were yellow and red. In all subsequent reigns, they have been scarlet and blue. Dieu et mon droit (originally "Dieu et mon droyt"; French: 'God and my right'), as seen on Royal standards since King Edward III, is said to have first been adopted as the royal motto by King Henry V in
Richard III of England it was never published and nothing is known about its portrayal of the king. Marjorie Bowen's 1929 novel "Dickon" set the trend for pro-Ricardian literature. Particularly influential was "The Daughter of Time" (1951) by Josephine Tey, in which a modern detective concludes that Richard III is innocent in the death of the Princes. Other novelists such as Valerie Anand in the novel "Crown of Roses" (1989) have also offered alternative versions to the theory that he murdered them. Sharon Kay Penman, in her historical novel "The Sunne in Splendour", attributes the death of the Princes to the Duke of Buckingham.