William III of Mâcon (1088–1156), also known as William IV of Burgundy, was

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: ...

(1102–1156), count of Auxonne (1127–1156),

count of Vienne The count of Vienne was the ruler of the Viennois, with his seat at Vienne, during the period of the Carolingian Empire and after until 1030, when the county of Vienne was granted to the Archdiocese of Vienne. Girart de Roussillon ruled Provence ...

(1148–1156) and regent of the

county of Burgundy The Free County of Burgundy or Franche-Comté (french: Franche Comté de Bourgogne; german: Freigrafschaft Burgund) was a medieval county (from 982 to 1678) of the Holy Roman Empire, predecessor to the modern region of Franche-Comté. The name ' ...

(1148–1156). He was a younger son of Stephen I, Count of Burgundy, and of Beatrice of Lorraine. After the death of his brother, Renaud III, he took control of the county of Burgundy in the name of his niece Beatrice. He effectively imprisoned Beatrice and was recognized as count by the emperor Frederick Barbarossa by 1152. He died in 1156 while on Crusade in the Holy Land, and Frederick married Beatrice and took over the county.Constance Brittain Bouchard, ''Sword, Miter, and Cloister: Nobility and the Church in Burgundy, 980–1198'' (Ithaca and London: Cornell University Press, 1987), pp. 277–78. William married Adelaide-Pontia (Poncette), heiress of Lord Theobald of Traves, and had the following issue: * Stephen II, who succeeded to Auxonne, Trier and the title Count of Burgundy. His son was: ** Stephen III of Auxonne * Girard I, who succeeded to Mâcon, Vien. Among his children were: ** Beatrice of Viennois (died 8.4.1230) married c. 1175 to

Umberto III, Count of Savoy Humbert III (1136 – 4 March 1189), surnamed the Blessed, was Count of Savoy from 1148 to 1188. His parents were Amadeus III of Savoy and Mahaut of Albon. He ceded rights and benefits to monasteries and played a decisive role in the organizatio ...

(born 1136 - died 1189). *Malaspina, possibly illegitimate.

Notes

{{DEFAULTSORT:William III Of Macon 1088 births 1156 deaths Counts of Mâcon Counts of Vienne Counts of Burgundy Anscarids