Antonino (Patriarch of Grado; 725–748)
Antonino was patriarch of Grado, from circa 725 (or 730) to 748 (or 741), as we don’t have much information.
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Patriarchs of Grado and Venice
The complete list of the Patriarchs of Grade, Patriarchs of Grado in Venice, and Patriarchs of Venice, since 717 until today