Louis XIV of France, Le Roi Soleil, b. Sept. 5, 1638, d. Sept. 1, 1715, reigned as King of France and King of Navarre from May 14, 1643 until his death. (Wikipedia) If one should read Love-Letters as a roman à clef one will rather think of the Stuarts and Charles II and his brother James, who was to succeed him in 1685.