Reginald I of Bar
Count of Bar

Reginald I (also called "the One-eyed", Reinald I, Renaud I; c. 1080 – 10 March 1149) was Count of Bar (1105–1149). Barrois, during the Middle Ages, was the territory of the counts and dukes of Bar, in the eastern part of present-day France, bordering Lorraine.
He was the son of Count Theodoric I of Montbéliard and Ermentrude, daughter of Count William I of Burgundy.
Reginald's first wife is unknown. He later married Gisele de Vaudémont, widow of Count Rainard III of Toul and daughter of Count Gerard I of Vaudémont and his wife Heilwig von Egisheim. Reginald and Gisele had eight children:
Hugh de Bar (d. 29 September 1141)
Reginald II, Count of Bar
Drogo de Bar
Dietrich III de Bar (d. 8 August 1171), Bishop of Metz
Agnes de Bar (d. after 1185), married Albert. Count of Chiny
Clemence de Bar (1123–1183), married first Alberic II, Count of Dammartin, second Renaud, Count of Clermont, and third Thibaut III de Crépy
Mathilde de Bar, married Konrad I, Count of Wildgraf von Kyrburg
Stephaine de Bar (d.
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