 His last will is dated 23 June 1320; a legal document dated 20 February 1321 describes him as dead, at the age of almost ninety.The "Ruralia commoda", sometimes known as the "Liber ruralium commodorum" ("book of rural benefits"), was completed some time between 1304 and 1309, and was dedicated to Charles II of Naples.King Charles V of France ordered a French translation in 1373.