Sundgau (French pronunciation: [suŋɡo] or [syŋɡo]; German: [ˈzʊntɡaʊ]) is a geographical territory in the southern Alsace region (Haut Rhin and Belfort)...

was generally divided into a northern and a southern county, Nordgau and Sundgau. These counties, as well as the monasteries of the duchy, were brought...

Burgundy. She was the daughter of Count Fulk III of Anjou and Hildegarde of Sundgau. She was sometimes known as Ermengarde-Blanche. She married Geoffrey II...

Further Austria mainly comprised the Alsatian County of Ferrette in the Sundgau, including the town of Belfort, and the adjacent Breisgau region east of...

enemies and seeking to gain a free hand in Hungary, the Habsburgs sold their Sundgau territory (mostly in Upper Alsace) to France in 1646, which had occupied...

last wife of Charlemagne. Luitgard was the daughter of Luitfrid II of Sundgau, an Alamannian count, and Hiltrude of Wormsgau. She married Charlemagne...

southwestern Germany lost in 1801 (although the Alsatian territories (Sundgau) which had formed a part of it had been lost as early as 1648) Grand Duchy...

whilst from his father he inherited the titles of Duke of Muri and Count of Sundgau. He also possessed the titles of Duke of Altenburg and Count of Klettgau...

Ansa (756–774) Hildegard (774–783) Fastrada of Franconia (784–794) Luitgard of Sundgau (794–800) Bertha of Gellone (?) Cunigunda of Laon (?) Ermengarde of Tours (821–851)...

burnt at the stake for adultery. Fulk subsequently married Hildegarde of Sundgau, whose family was from Lorraine, around December 1005. They had two children:...