Louis,whostillpreservedajustascendantoverthemindofhisferociousbrother。ForawhiletheattentionofthatbrotherwasconfinedathomebytheinvasionofConradin,thelastheirtotheimperialhouseofSwabia;butthehaplessboysunkintheunequalconflict;andhisexecutiononapublicscaffoldtaughttherivalsofCharlestotremblefortheirheadsaswellastheirdominions。AsecondrespitewasobtainedbythelastcrusadeofSt。LouistotheAfricancoast;andthedoublemotiveofinterestanddutyurgedthekingofNaplestoassist,withhispowersandhispresence,theholyenterprise。ThedeathofSt。Louisreleasedhimfromtheimportunityofavirtuouscensor:thekingofTunisconfessedhimselfthetributaryandvassalofthecrownofSicily;andtheboldestoftheFrenchknightswerefreetoenlistunderhisbanneragainsttheGreekempire。AtreatyandamarriageunitedhisinterestwiththehouseofCourtenay;hisdaughterBeatricewaspromisedtoPhilip,sonandheiroftheemperorBaldwin;apensionofsixhundredouncesofgoldwasallowedforhismaintenance;andhisgenerousfatherdistributedamonghisaliensthekingdomsandprovincesoftheEast,reservingonlyConstantinople,andoneday\'sjourneyroundthecityfortheimperialdomain。^38Inthisperilousmoment,Palaeologuswasthemosteagertosubscribethecreed,andimploretheprotection,oftheRomanpontiff,whoassumed,withproprietyandweight,thecharacterofanangelofpeace,thecommonfatheroftheChristians。Byhisvoice,theswordofCharleswaschainedinthescabbard;andtheGreekambassadorsbeheldhim,inthepope\'santechamber,bitinghisivorysceptreinatransportoffury,anddeeplyresentingtherefusaltoenfranchiseandconsecratehisarms。HeappearstohaverespectedthedisinterestedmediationofGregorytheTenth;butCharleswasinsensiblydisgustedbytheprideandpartialityofNicholastheThird;andhisattachmenttohiskindred,theUrsinifamily,alienatedthemoststrenuouschampionfromtheserviceofthechurch。ThehostileleagueagainsttheGreeks,ofPhiliptheLatinemperor,thekingoftheTwoSicilies,andtherepublicofVenice,wasripenedintoexecution;andtheelectionofMartintheFourth,aFrenchpope,gaveasanctiontothecause。Oftheallies,Philipsuppliedhisname;Martin,abullofexcommunication;theVenetians,asquadronoffortygalleys;andtheformidablepowersofCharlesconsistedoffortycounts,tenthousandmenatarms,anumerousbodyofinfantry,andafleetofmorethanthreehundredshipsandtransports。AdistantdaywasappointedforassemblingthismightyforceintheharborofBrindisi;andapreviousattemptwasriskedwithadetachmentofthreehundredknights,whoinvadedAlbania,andbesiegedthefortressofBelgrade。TheirdefeatmightamusewithatriumphthevanityofConstantinople;butthemoresagaciousMichael,despairingofhisarms,dependedontheeffectsofaconspiracy;
onthesecretworkingsofarat,whognawedthebowstring^39oftheSiciliantyrant。
[Footnote37:Thebestaccounts,thenearestthetime,themostfullandentertaining,oftheconquestofNaplesbyCharlesofAnjou,maybefoundintheFlorentineChroniclesofRicordanoMalespina,c。175—193,andGiovanniVillani,l。vii。c。1—
10,25—30,whicharepublishedbyMuratoriintheviiithandxiiithvolumesoftheHistoriansofItaly。InhisAnnalstom。
xi。p。56—72hehasabridgedthesegreateventswhicharelikewisedescribedintheIstoriaCivileofGiannone。tom。l。