▁who ▁wished ▁his ▁anth ologist ▁to ▁be ▁remembered . ▁From ▁the ▁little ▁of ▁his ▁work ▁which ▁surv ives , ▁however , ▁it ▁can ▁be ▁g lean ed ▁that ▁Ferr ar ino ▁was ▁an ▁able ▁ly ric ist ▁in ▁the ▁academic ▁Occ itan ▁he ▁had ▁acquired , ▁and ▁his ▁original ▁structures ▁mer it ▁his ▁works ' ▁inclusion ▁in ▁the ▁cor pus ▁of ▁tro bar ▁cl us . ▁ ▁In ▁his ▁lost ▁works , ▁however , ▁he ▁may ▁have ▁abandoned ▁this ▁defining ▁characteristic ▁( clus ), ▁so ▁unusual ▁of ▁the ▁Italian ▁trou bad ours . ▁ ▁Biography ▁ ▁Ident ification ▁A ▁certain ▁" F err ar ino , ▁ma estro ▁di ▁gram mat ica ", ▁of ▁the ▁Tro g ni ▁family ▁of ▁Ferr ara , ▁mentioned ▁in ▁ 1 3 3 0 , ▁has ▁been ▁identified ▁with ▁the ▁trou bad our . ▁This ▁length ens ▁the ▁poet ' s ▁life ▁consider ably , ▁but ▁there ▁is ▁a ▁reference ▁in ▁a ▁jur ament um ▁f idel itat is ▁pra est it um ▁anno ▁ 1 3 1 0 ▁a ▁pop ulo ▁f err ar ien se ▁Clement i ▁pp .   V ▁( an ▁o ath ▁of ▁fe alty ▁of ▁the ▁people ▁of ▁Ferr ara ▁to ▁Pope ▁Clement ▁V ▁in ▁ 1 3 1 0 ) ▁to ▁a ▁Mag ister ▁Ferr ar inus ▁doctor ▁gram mat ice ▁(" Master ▁Ferr ar ino , ▁doctor ▁of ▁grammar ") ▁and ▁Gu ic ard us ▁( or ▁G ui ç ard us ) ▁fil ius ▁dict i ▁mag ist