Baldwin III, Count of Hainaut

Baldwin III (1088–1120) was count of Hainaut from 1098 to his death.

History Baldwin was son of Count Baldwin II of Hainaut and Ida of Louvain. He succeeded to the County of Hainaut in 1102. Baldwin married Yolande of Guelders at a young age. He had been betrothed to Adelaide of Maurienne, a niece of Countess Clemence of Flanders. The broken betrothal caused a scandal, and Countess Clemence brought the issue before her brother Pope Calixtus II. The pope declared that the marriage was legal and could not be dissolved.

Baldwin died at a young age of in 1120, and was buried in Mons, Belgium. His eldest son, Baldwin IV, succeeded him. His younger son Gerard inherited the counties of Dodewaard and Dale, which had been in the possession of his mother. Countess Yolande held Hainaut as her dower for a while and as a regent for her son. Yolande and Godfrey II had two children: Godfrey III, castellan of Valenciennes Berthe of Valenciennes, who married 1) Count Otto II of Duras and 2) Guy de Saint-Aubert