Otto IV, Count of Burgundy (1248-1302) was the son of Hugh de Chalon and Adelaide, Countess Palatine of Burgundy. By his mother, he was a grandson of Emperor Otto IV and Countess Beatrice II of Burgundy. By his father, he was descended from another branch of the Counts of Burgundy. For broader historical context, see 1240s and 13th century. ... Events July 11 - Battle of the Golden Spurs (Guldensporenslag in Dutch), major victory of Flanders over the French occupier. ... The Holy Roman Emperor was, with some variation, the ruler of the Holy Roman Empire, the predecessor of modern Germany, during its existence from the 10th century until its collapse in 1806. ... Otto IV of Brunswick (died 1218) was King of Germany (1208-1215) and Holy Roman Emperor from 1209 - 1215. ...

Upon his father's death in 1266-7, he became Count of Chalons. Chalons or Ch lons is the name or part of the name of several communes in France: Ch lons, in the Is re d partement Ch lons-en-Champagne, formerly Ch lons-sur-Marne, in the Marne d partement Chalon-sur-Sa ne, in the Sa ne-et-Loire d...

He married Philippa of Bar in 1371. The marriage was childless. Events End of the reign of Emperor Go-Kogon of Japan, fourth of the Northern Ashikaga Pretenders Start of the reign of Emperor Go-Enyu of Japan, fifth and last of the Northern Ashikaga Pretenders Charterhouse Carthusian Monastery founded in Aldersgate, London. ...

His mother, Adelaide, died on March 8, 1279, and Otto inherited the County. However, he was unable to secure real power in the County until 1295. March 8 is the 67th day of the year in the Gregorian Calendar (68th in leap years). ... For broader historical context, see 1270s and 13th century. ... Events Mongol leader Ghazan Khan is converted to Islam, ending a line of Tantric Buddhist leaders. ...

He married his second wife, Mahaut of Artois, in 1285. They had three children: Jeanne, Blanche, and Robert. Of these, his daughters would marry eventual Kings of France, and both his son and elder daughter were to succeed him in the County. For broader historical context, see 1280s and 13th century. ...

Upon his death in 1302, his titles were inherited by his son.