The work offers a comprehensive life narrative of a celebrated Ligurian leader, opening with reflections on historical judgment and method, then tracing family origins, ancestry, birth and early adventures. It interweaves genealogical records and memorials with detailed episodes of youthful daring and domestic concerns, and proceeds to recount public deeds, military engagements, and civic roles while assessing motives and legacy. Throughout, the author balances documentary citations, moral reflection, and political instruction, presenting both intimate anecdotes and broader commentary on leadership, fortune, and the interplay of private passions with public action.