 William weVillehardouin ; Kalamata, 1211 1 May 1278 aive muchinda wechina weAchaea muFrankish Greece kubva 1246 kusvika 1278. Mwanakomana muduku weMuchinda Geoffrey I, akabata Barony yeKalamata mu fief panguva yekutonga kwemukoma wake mukuru Geoffrey II. William akatanga kutonga Achaea somutongi womunununa wake panguva yemishandirapamwe yaGeoffrey yokurwisa vaGiriki veNicaea avo vaiva vavengi vakuru vaishe wake, Mambo weLatin weConstantinople Baldwin II. William akatsiva mukoma wake akanga asina mwana muzhizha ra1246. Kurwisana kwaiitika pakati peNicaea neEpirus kwakaita kuti akwanise kukunda Morea mumakore anenge matatu. Akatora Monemvasia ndokuvaka nhare itsva nhatu, achimanikidza madzinza maviri aimbova akazvimirira, vaTzakones navaMelingoi kuti vazviise pasi pake. Akatora rutivi muHondo yeMuchinjikwa yeEgipita isina kubudiriraraLouis IX weFrance uyo akamupa mubayiro norusununguko rwokubudisa mari muchimiro chemari dzeumambo dzeFrance. 