List of kings of Burgundy

When Lothair II died in 869, his realm was divided between his uncles Charles the Bald and Louis the German in the Treaty of Mersen.

Under Conrad I and Rudolph III, royal power weakened while local nobles, such as the counts of Burgundy, gained prominence.

Empress Agnes granted the Duchy of Swabia to Rudolf von Rheinfelden and also conferred on him the regal powers over Burgundy.

Any attempts to enforce the Zähringer's claims and to extend royal authority into the western and southern parts of the kingdom failed, most notably a military campaign in 1153.

After these failures, Emperor Frederick Barbarossa gained a firm hold of the western districts in 1156 by marrying Countess Beatrice I of Burgundy.

The Kingdom of Arelat in the 12/13th century