Saint Modoald, Bishop of Trèves

Saint Modoald (Romoald, Latin Modoaldus) (before 584 or 590 - 645 or 648), bishop of Trier and counselor of King Dagobert I of the Franks. He probably had close connections to the Gallo-Roman nobility. Appointed bishop in 614/620, he attended the Council of Reims (623) and was so vociferous in his complaints about the immorality then rampant in the royal court that he spurred Dagobert to a personal conversion. He is venerated as a saint (May 12). His relics were translated to Paderborn, Germany in 1107.

The Annals Laubienses (11th century) say he came from a senatorial family in Aquitaine and was a brother of Itta. The Vita Modoaldi (12th century) says Modoald had a sister Saint Severa and a niece Saint Modesta, abbess of Œren at Trêves. These late sources may not be reliable.

The only other known bearer of the name Modoald is a bishop of Langres (618-628) who was a contemporary of this Modoald.

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English Wikipedia

Saint Modoald, also known as Romoald, was the Frankish archbishop of Trier from 626-645. He is the patron saint of the Reichsabtei Helmarshausen and his liturgical feast is on May 12.

His sister was Itta, wife of Pippin of Landen. Saint Severa is another sister of Modoald.