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The Barbaro family came from Rome to Istria, settling in Trieste, and finally arriving to Venice in 868.
A certain Marco, "provveditore" of the Navy commanded by the "doge" Domenico Michiel († 1130), to the Holy Land in 1121, reconquered from the "barbarians" the flag ("vessillo") of St. Marck. For this he was called "Barbaro" (barbarian). His descendants emulated his bravery so that the name Barbaro (or Barbarigo, Barberigo (The -igo suffix is typically Venetian)
) became the surname of this family.