Sergius I of Rome

Our father among the saints Sergius I of Rome was the Archbishop and Pope of the Church of Rome from 687 to 701. He was one of the popes considered part of the Byzantine Papacy. His election ended the schism between the antipopes Paschal and Theodore and led to a papacy that was dominated by his response to the Quinisext Council , whose canons he refused to accept. He is commemorated on September 8 .

Source: OrthodoxWiki