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.

Issue
Hugh married twice, first to Yolande de Dreux when he was 16 and she 17 years of age. He then married Beatrice of Navarre, when he was 45. Between his two marriages he had 10 children, the following are their issues:
 * From Yolande de Dreux, daughter of Count Robert III "Gasteblé" of Dreux and of Braine:
 * Margaret, Lady of Molinot (1229–1277), married;
 * 1.William III, lord of Mont St Jean
 * 2.Guy VI, Viscount of Limoges; their daughter was the first wife of Arthur II, Duke of Brittany
 * Odo (1230–1266), who married Matilda II, Countess of Nevers
 * John (1231–1268), married Agnes of Dampierre and had Beatrice, heiress of Bourbon (through Agnes)
 * Adelaide of Burgundy, Duchess of Brabant, married Henry III, Duke of Brabant
 * Robert II, Duke of Burgundy (1248–1306)
 * From Beatrice of Champagne, daughter of Theobald I of Navarre:
 * Hugh, viscount of Avallon
 * Margaret, Dame de Vitteaux, wife of John I of Chalon-Arlay
 * Joan, a nun
 * Beatrice, Lady of Grignon (ca.1260–1329), married Hugh XIII of Lusignan
 * Isabella of Burgundy, Queen of Germany married Rudolf I of Germany

Expansion
Hugh IV, through a transaction with John l'Antique de Chalon, gave up the barony of Salon for the counties of Chalon and Auxonne in 1237, which expanded the Duchy and the regional economy benefited from the growing wine trade.

Barons' Crusade
In 1239, Hugh joined the Barons' Crusade led by King Theobald I of Navarre and supported by Frederick II, Holy Roman Emperor. The Burgundian troops allied with Richard of Cornwall and rebuilt Ascalon and negotiated a peace with Egypt in 1241. Hugh was made titular king of Thessalonica in 1266, although it had been recaptured by the Epirus more than 40 years ago.

Death
Hugh IV died on 27 Oct 1272 (Aged 60) at Villaines-en-Duismois, France. His burial place is unknown.