Late sources place their arrival in Italy in 1014, but the first document to mention them is the Descriptio civium per quatuor quarteria patavinorum (Description of the citizens of the four quarters of the Paduans) of 1275.
Along the river Brenta to the east of the city, they held lands and rights to tithes in fief from the bishopric of Treviso.
Writing around 1317 in his Liber de generatione aliquorum civium urbis Padue, Giovanni da Nono describes the family as having an interest in law and its head, Matteo, as a knight, although there is no other evidence of that he held this status.
Aldrighetto (whose name is also given as Albrighetto or Albrigetto) was knighted by Guecellone da Camino, became podestà of Feltre in 1361 and of Belluno in 1322.
Bonzanello does not seem to have held public office and was dead by March 1313, but his son, Guglielmo, became a prominent jurist and chronicler after 1315.