 Miélot was assigned the role ‘de translater, escrier et historier les livres de Monseigneur’ (‘to translate, write out and "historiate" (either to narrate or adorn) the books of my Lord,’ i.e., the duke).His Latin source was a work, also called the "Romuleon", compiled in Florence between 1361 and 1364, by Benvenuto da Imola.The preface of this Latin work states that the compilation was taken up at the request of Gomez Albornoz, the governor of Bologna.