Joan III, Countess of Burgundy
Joan III of Burgundy( 1/2 May 1308 – 10/15 August 1347), also known as Joan of France was a reigning Countess of Burgundy and Artois in 1330 – 1349, She was also Duchess of Burgundy by marriage to Odo IV, Duke of Burgundy.
She was the eldest daughter of King Philip V of France and Countess Joan II of Burgundy.
Hugh IV, Duke of Burgundy
Hugh IV of Burgundy (9 March 1213 – 27 or 30 October 1272) was Duke of Burgundy between 1218 and 1272.
Hugh was the son of Odo III, Duke of Burgundy and Alice de Vergy.
Isabella of Bourbon
Isabella of Bourbon, Countess of Charolais( 1434 – 25 September 1465) was the second wife of Charles the Bold, Count of Charolais and future Duke of Burgundy.
She was a daughter of Charles I, Duke of Bourbon and Agnes of Burgundy, and the mother of Mary of Burgundy, heiress of Burgundy.
Sibylla of Burgundy, Duchess of Burgundy
Sybilla of Burgundy( 1065 – 1103), was a French noble, Duchess consort of Burgundy by marriage to Eudes I, Duke of Burgundy.
She was a daughter of William I, Count of Burgundy and Stephanie.
She was married to Eudes I, Duke of Burgundy in 1080.
Children:
John Christian Kunkel
John Christian Kunkel (September 18, 1816 – October 14, 1870) was a Whig and Republican member of the U.S. House of Representatives from Pennsylvania.
He was the grandfather of John Crain Kunkel.
Agnes of France, Duchess of Burgundy
Agnes of France( c. 1260 – 19 December 1327) was a Duchess of Burgundy by marriage to Robert II, Duke of Burgundy.
She served as regent of Burgundy during the minority of her son in 1306 – 1311.
John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
Florine of Burgundy
Florine of Burgundy( 1083–1097) was a French crusader.
She was the daughter of Eudes I, Duke of Burgundy and Sybilla of Burgundy.
Her maternal grandfather was William I, Count of Burgundy.
Florine was married to Sweyn the Crusader, a son of Sweyn II of Denmark.
Gilbert Talbot, 3rd Baron Talbot
Gilbert Talbot, 3rd Baron Talbot( c. 1332–1387) was an English nobleman and soldier.
He was the grandfather of John Talbot, 1st Earl of Shrewsbury.
John of Burgundy (1231–68)
John of Burgundy (1231 – 29 September 1268) was a Count of Charolais and Lord of Bourbon.
He was a younger son of Duke Hugh IV of Burgundy and his wife, Yolande of Dreux.
John married in February 1248 to Agnes (d. 1288), the heiress of Lord Archambaud IX of Bourbon from the House of Dampierre.
After the death of his father-in law in 1249 John became Lord of Bourbon in right of his wife .
John and Agnes had a daughter, Beatrice (d. 1310), who inherited possessions from both of her parents.
In 1272, she married the royal Prince Robert, Count of Clermont and thereby founded the Capetian dynasty of the Bourbons.

Question: Who is John Of Burgundy (1231–68)'s paternal grandfather?
Answer: Odo III, Duke of Burgundy