Giovanni I (Patriarch of Grado 766–802)
Giovanni I (†802) was Patriarch of Grado from 766 until he was murdered in 802 by the son of doge Giovanni Galbaio.
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The “Galbaio” dynasty
Mauricius and Giovanni Galbaio were the seventh and eighth doges of Venice. Together, they ruled the duchy for almost four decades.
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Doges of the 700s — Chronica per extensum descripta
The doges Deusdedit (742-755), Galla (755–756), Domenico Monegario (756–764), Maurizio Galbaio (764–787) and his son Giovanni (787–804), from the “Chronica per extensum descripta” (1340s) by Andrea Dandolo.
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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