Original: The commission came from the impresario Domenico Guardasoni, who lived in Prague and who had been charged by the Estate of Bohemia with providing a new work to celebrate the coronation of Leopold II, Holy Roman Emperor as King of Bohemia.
Simplified: He had been asked by Domenico Guardasoni who lived in Prague and who had the job of finding someone to compose an opera for the celebrations of the coronation of Leopold II, Holy Roman Emperor as King of Bohemia.