Renaud III, Count of Burgundy

Reginald III, son of Stephen I and Beatrice of Lorraine, was the count of Burgundy between 1127 and 1148. Previously, he had been the count of Mâcon 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. Pope Callixtus II was Reginald's paternal uncle.