The Ezzelini were a noble family in medieval Italy. The family was founded by Ecelo (Ezzelo), who received the fiefs of Romano d'Ezzelino and Onara Ezzelino I da Romano (died 1189), called il Balbo Ezzelino II da Romano (died 1235), called il Monaco, son of Ezzelino I Ezzelino III da Romano (1194–1259), called il Tiranno, son of Ezzelino II Alberico da Romano (1196–1260), son of Ezzelino II Cunizza da Romano (born c. 1198), daughter of Ezzelino II Italian noble families