Otto I, Count of Burgundy
Otto I was Count of Burgundy from 1190 to his death and briefly Count of Luxembourg from 1196 to 1197. He was the fourth son of Frederick I, Holy Roman Emperor, by his second wife Beatrice I, Countess of Burgundy, daughter of Count Renaud III.
Otto's coat of arms (right), Georg Rüxner c. 1530, 17th century reprint
Beatrice I, Countess of Burgundy
Beatrice I was countess of Burgundy from 1148 until her death, and was also Holy Roman Empress by marriage to Frederick Barbarossa. She was crowned empress by Antipope Paschal III in Rome on 1 August 1167, and as Queen of Burgundy at Vienne in August 1178.
Relief of c. 1161 in Freising Cathedral depicting Beatrice and Frederick.
Frederick and Beatrix on a coin, around 1170–1180. The joint depiction of emperor and empress was a novelty in medieval coin iconogaphy in Germany, and apparently introduced under Frederick Barbarossa. Jasperse suggests that the coinage was intended to show the couple as co-rulers.