Reginald III (; 1087 – 1148), son of
Stephen I and
Beatrice of Lorraine, was the
count of Burgundy
This is a list of the County of Burgundy, counts of Burgundy, i.e., of the region known as Franche-Comté, not to be confused with the Duchy of Burgundy, from 982 to 1678.
House of Ivrea (982–1184)
House of Hohenstaufen (1190–1231)
...
between 1127 and 1148. Previously, he had been the
count of Mâcon
Count (feminine: countess) is a historical title of nobility in certain European countries, varying in relative status, generally of middling rank in the hierarchy of nobility. Pine, L. G. ''Titles: How the King Became His Majesty''. New York: ...
since his father's death in 1102, with his brother,
William of Vienne. His mother, Beatrice of Lorraine, was the daughter of
Gerard, Duke of Lorraine
Gerard ( 1030 – 14 April 1070), also known as Gerard the Wonderful, was a Lotharingian nobleman. He was the count of Metz and Châtenois from 1047 to 1048, when his brother Duke Adalbert resigned them to him upon his becoming the Duke of Upp ...
.
Pope Callixtus II was Reginald's paternal uncle.

Reginald proclaimed independence from
Emperor Lothair III, but was defeated by King
Conrad III of Germany and forced to relinquish all his lands east of the
Jura. The name of the region
Franche-Comté
Franche-Comté (, ; ; Frainc-Comtou dialect, Frainc-Comtou: ''Fraintche-Comtè''; ; also ; ; all ) is a cultural and Provinces of France, historical region of eastern France. It is composed of the modern departments of France, departments of Doub ...
is derived from his title, ''franc-compte'', meaning "free count".
About 1142, Reginald married
Agatha, daughter of Duke
Simon I of Lorraine. They had a daughter,
Beatrice I.
In 1148, Reginald was traveling in France when he fell ill with multiple illnesses.
Chepmell, Havilland Le Mesurier. ''A short course of history'', Volume 2 London. Whittaker and Co., 1857, p. 47
/ref> He died so suddenly that he could not even appoint a regent for his young daughter, Beatrice I, who succeeded him.
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{{DEFAULTSORT:Renaud 03, Duke of Burgundy
1090s births
1148 deaths
Anscarids
Counts of Burgundy
Counts of Mâcon