Theutbald I (or Theobald, french: Thibaut, , la, Theutbaldus; died 16 August 856) was the

bishop of Langres The Roman Catholic Diocese of Langres (Latin: ''Dioecesis Lingonensis''; French: ''Diocèse de Langres'') is a Roman Catholic diocese comprising the ''département'' of Haute-Marne in France. The diocese is now a suffragan in ecclesiastical pr ...

from when he was elected to succeed

Alberic Alberic (french: Albéric; german: Alberich; nl, Alberik, lat, Albericus) is a name closely related to Aubrey. People with the name: People with the mononym * Alberic I, Count of Dammartin (died after 1162) *Alberic II, Count of Dammartin (di ...

(died 838) until his death. He is first securely attested as bishop in 842. He may have belonged to the same Bavarian family that had dominated the episcopate of Langres since 769. In 841, at the start of open war between the three sons of Emperor

Louis the Pious Louis the Pious (german: Ludwig der Fromme; french: Louis le Pieux; 16 April 778 – 20 June 840), also called the Fair, and the Debonaire, was King of the Franks and co-emperor with his father, Charlemagne, from 813. He was also King of Aqui ...

, Thibaut and Count Warin of Langres joined the side of the youngest brother,

Charles the Bald Charles the Bald (french: Charles le Chauve; 13 June 823 – 6 October 877), also known as Charles II, was a 9th-century king of West Francia (843–877), king of Italy (875–877) and emperor of the Carolingian Empire (875–877). After a ser ...

. On 13 April, Thibaut was with Charles and his army at

Sens Sens () is a Communes of France, commune in the Yonne Departments of France, department in Bourgogne-Franche-Comté in north-central France, 120 km from Paris. Sens is a Subprefectures in France, sub-prefecture and the second city of the d ...

, and celebrated Easter with him at

Troyes Troyes () is a commune and the capital of the department of Aube in the Grand Est region of north-central France. It is located on the Seine river about south-east of Paris. Troyes is situated within the Champagne wine region and is near to ...

on 17 April. As a result of Warin and Thibaut's support, the county of Langres fell on Charles's side of the border after the

Treaty of Verdun The Treaty of Verdun (), agreed in , divided the Francia, Frankish Empire into three kingdoms among the surviving sons of the emperor Louis the Pious, Louis I, the son and successor of Charlemagne. The treaty was concluded following almost three ...

(843) ended the war between the brothers.

Notes

Sources

* * * * 856 deaths Bishops of Langres Year of birth missing {{France-RC-bishop-stub