Hugh I of Chalon-Arlay (1288–1322) was lord of Arlay and of Vitteaux, and belonged to the house of Chalon-Arlay.
 He was the son of lord John I of Chalon-Arlay and his first wife Marguerite of Burgundy (daughter of duke Hugh IV of Burgundy), and his grandfather John, Count of Chalon was count-regent from the death of Otto III, count of Burgundy onwards.
 On 13 February 1302 Hugh I married Béatrice de La Tour-du-Pin (1275–1347) (daughter of count Humbert I of Viennois).
 They had one child
William II of Holland (February 1227 – 28 January 1256) was a Count of Holland and Zeeland (1234–56).
 He was elected as German anti-king in 1247 and remained king until his death.
Hugh III of Chalon, Count of Burgundy (1220–1266), also known as Hugues de Bourgogne, or Hugo of Salins was Count of Burgundy jure uxoris by his marriage to countess Adelaide I of Burgundy, on 1 November 1236, when he was aged 16.
 He was the son of John, Count of Chalon and his first wife, Mahaud (or Mahaut) of Burgundy.
Munio Vélaz or Vigílaz (died before 931) was the count of Álava and probably also of Biscay.
 The exact dates of his countship are unknown.
 Only one document, dated 18 May 919 in the cartularies of Valpuesta, names Munio as count in Álava.
 He ruled between counts Gonzalo Téllez (last seen as count in 913) and Fernando Díaz (first seen in 923).
 The counts of Álava are described variously in contemporary documents as ruling "in" Álava, Lantarón or Cerezo.
 The next count after Munio described as ruling Álava proper is Álvaro Herraméliz in 929.
 They governed the eastern borderlands of the kingdom of León on behalf of the crown.
William III of Mâcon (1088–1156), also known as William IV of Burgundy, was count of Mâcon (1102–1156), count of Auxonne (1127–1156), count of Vienne (1148–1156) and regent of the county of Burgundy (1148–1156).
 He was a younger son of Stephen I, Count of Burgundy, and of Beatrice of Lorraine.
 After the death of his brother, Renaud III, he took control of the county of Burgundy in the name of his niece Beatrice.
 He was recognized as count by the emperor Frederick Barbarossa by 1152.
 He died in 1156 while on Crusade in the Holy Land, and Frederick married Beatrice and took over the county.
John (1190 – September 30, 1267), called the Old ("l'Antique"), was a French nobleman, the Count of Auxonne and Chalon-sur-Saône in his own right and regent in right of his son, Hugh III, Count of Burgundy.
 In contemporary documents, he was sometimes called "Count of Burgundy", as by King William of Germany in 1251.
John I of Chalon-Arlay (1258–1315) was a French nobleman.
 He was the son of John, Count of Chalon and Laure de Commercy, a couple who had thirty castles built on the Jurassian part of the county of Burgundy around their new seigneurie of Salins, including the Château d'Arlay (upon the death of Otto III in 1248, the elder John had become regent of the county of Burgundy on behalf of his son Hugh III, his daughter-in-law Adelaide, and his grandson Otto).
 He was Seigneur of Arlay (1266–1315) and Viscount of Besançon (1295–1315).
Gerard (  1030 – April 14, 1070), also known as Gerard the Great, was a Lotharingian nobleman.
 He was the count of Metz and Châtenois from 1047 to 1048, when his brother Duke Adalbert resigned them to him upon his becoming the Duke of Upper Lorraine.
 On Adalbert's death the next year, Gérard became duke, a position that he held until his death.
 In contemporary documents, he is called "Gérard of Alsace" (after his familial homeland), "Gérard of Chatenoy" (after an ancestral castle near Neufchâteau), or "Gérard of Flanders" (after his wife's homeland).
John I of Chalon-Auxerre (1243–1309) was a son of John, Count of Chalon and his third wife, Isabella van Courtenay - his brother was bishop Hugo III of Chalon.
 John I married Adelaide of Auxerre and they ruled jointly as Count of Auxerre.
 John was the father of William of Chalon.
Prince Michel of Orléans, Fils de France, Count of Évreux (Michel Joseph Benoît Marie; born 25 June 1941, Rabat, Morocco) is a French nobleman and part of the claimant family to the French throne.
 He is the son of the late Prince Henri, Count of Paris (the Orleanist claimant to the French throne from 1940 until his death) and Princess Isabelle of Orléans-Braganza.
 Prince Michel is styled as the Count of Évreux.

Question: John, Count of Chalon, was a French nobleman, and the Count of Auxonne, in contemporary documents, he was sometimes called "Count of Burgundy", as by King William of Germany in which year?
Answer: 1251