Question: Who is the paternal grandfather of Joan I, Countess Of Burgundy?

Knowledge 1: Joan I, Countess of Burgundy
Joan I (1191–1205), also called Joanna of Hohenstaufen, was ruling Countess of Burgundy 1200-1205, daughter of Otto I, Count of Burgundy, and Margaret, Countess of Blois.Born in 1191, Joan was countess from the time of her father's assassination at Besançon in 1200 until her own death in 1205, whereupon her sister, Beatrice II, succeeded her. [SEP] Knowledge 2: Otto I, Count of Burgundy
Otto I (between 1167 and 1171 – 13 January 1200) 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.
Knowledge 1: Joan I, Countess of Burgundy
Joan I (1191–1205), also called Joanna of Hohenstaufen, was ruling Countess of Burgundy 1200-1205, daughter of Otto I, Count of Burgundy, and Margaret, Countess of Blois.Born in 1191, Joan was countess from the time of her father's assassination at Besançon in 1200 until her own death in 1205, whereupon her sister, Beatrice II, succeeded her. [SEP] Knowledge 2: Philip I, Count of Auvergne
Philip of Burgundy (November 10, 1323 – August 10, 1346) was Count of Auvergne and Boulogne (as Philip I) in right of his wife and was the only son and heir of Odo IV, Duke of Burgundy, and of Joan III, Countess of Burgundy.His mother was the daughter of King Philip V of France and of Joan II, Countess of Burgundy.He married Joan I, Countess of Auvergne and Boulogne, in c. 1338.In 1340, he fought with his father who defended the city of Saint-Omer against the assaults of Robert III of Artois.In 1346, he participated in the siege of Aiguillon, led by John, Duke of Normandy (the future John II of France).It was during this siege that he died, after falling from his horse.His widow Joan remarried in 1349, her second husband being King John II of France.Since Philip had no other sons from his marriage to Joan, the future of the House of Burgundy was then placed in the hands of his young son Philip (1346–61), who died childless.After the death of the younger Philip, the dukedom of Burgundy became a part of the French crown, and was granted by John II of France to his youngest son (and the previous Duke’s stepbrother), Philip the Bold.His daughter, Joan (134411 September 1360), was betrothed to Amadeus VI, Count of Savoy from 1347 to 1355, and was raised at his court.When she was released from the engagement at age 10, she entered a convent at Poissy, where she remained for her final years.
Knowledge 1: Otto I, Count of Burgundy
Otto I (between 1167 and 1171 – 13 January 1200) 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. [SEP] Knowledge 2: Philip I, Count of Auvergne
Philip of Burgundy (November 10, 1323 – August 10, 1346) was Count of Auvergne and Boulogne (as Philip I) in right of his wife and was the only son and heir of Odo IV, Duke of Burgundy, and of Joan III, Countess of Burgundy.His mother was the daughter of King Philip V of France and of Joan II, Countess of Burgundy.He married Joan I, Countess of Auvergne and Boulogne, in c. 1338.In 1340, he fought with his father who defended the city of Saint-Omer against the assaults of Robert III of Artois.In 1346, he participated in the siege of Aiguillon, led by John, Duke of Normandy (the future John II of France).It was during this siege that he died, after falling from his horse.His widow Joan remarried in 1349, her second husband being King John II of France.Since Philip had no other sons from his marriage to Joan, the future of the House of Burgundy was then placed in the hands of his young son Philip (1346–61), who died childless.After the death of the younger Philip, the dukedom of Burgundy became a part of the French crown, and was granted by John II of France to his youngest son (and the previous Duke’s stepbrother), Philip the Bold.His daughter, Joan (134411 September 1360), was betrothed to Amadeus VI, Count of Savoy from 1347 to 1355, and was raised at his court.When she was released from the engagement at age 10, she entered a convent at Poissy, where she remained for her final years.

Answer: Frederick I