Title: Nicolai de Jamsilla Historia de rebus gestis Friderici II. imperatoris ejusque filiorum Conradi, et Manfredi Apuliae et Siciliae regum ab anno MCCX. usque ad MCCLVIII
People: Frederick II Holy Roman Emperor (1194-1250), Manfred King of Naples and Sicily (approximately 1232-1266), Konrad IV King of Germany (1228-1254)