Gunzo

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The article is about the historical figure. For the Japanese magazine, see Gunzo.

Gunzo (also Cunzo) was a 7th-century duke of the

Gunzo organized a synod in Konstanz in 635, which resulted in the election of deacon John of Grab as bishop of Constance, succeeding the deceased bishop Gaudentius. This event is the earliest certain attestation of Constance as an independent bishopric.

It is disputed whether Gunzo ruled over all of