The origins of this splendid company located in the territory of Rovereto di Gavi, on the Piedmontese offshoots of the Apennines are very ancient: as early as 900 AD in the annals of the Republic of Genoa there is talk of a Benedictine settlement on the hills overlooking the Lemme river.
The "Grangia Bassignana" is mentioned in a document of 1250 as an agricultural farm of the Abbey of Rivalta Scrivia producing wheat, but above all wine. Of this settlement the watchtower and defense tower, the chapel and various rooms with vaults and capitals remain.
In 1625 the property passed to the Giustiniani family, a member of which, commander of the Genoese militias, victoriously defended the Fort of Gavi, then an important strategic commercial and military hub, from one of the many French sieges.