The Duke of Lothier was purely an honorific title. It is often associated with the territory within the Duchy of Lower Lotharingia, governed by the dukes of Brabant and their successors after 1190 until the end of the

Ancien Régime ''Ancien'' may refer to * the French word for " ancient, old" ** Société des anciens textes français * the French for "former, senior" ** Virelai ancien ** Ancien Régime ** Ancien Régime in France {{disambig ...

in 1796. In 1190, at the Diet of

Hall In architecture, a hall is a relatively large space enclosed by a roof and walls. In the Iron Age and the Early Middle Ages in northern Europe, a mead hall was where a lord and his retainers ate and also slept. Later in the Middle Ages, the gre ...

in the abbey of Comburg, the Roman Emperor Henry VI decided that the duke of Lower Lotharingia, at that moment Henry I of Brabant, would only have ducal authority within his own Lotharingian territories (the county of

Leuven Leuven (, , ), also called Louvain (, , ), is the capital and largest City status in Belgium, city of the Provinces of Belgium, province of Flemish Brabant in the Flemish Region of Belgium. It is located about east of Brussels. The municipalit ...

) and his imperial fiefs (the Margraviate of Antwerp, the Landgraviate of Brabant and the domain of the abbey of Nivelles). The title of duke of Lothier became purely honorific and had no further territorial or judicial authority. A few legal courts of Lothier remained in existence, but they only decided in feudal matters. Lothier should not be confused with the far greater Lower Lotharingia. It is only applicable to: * The county of

and

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, although the Dukes of Brabant assumed this Carolingian heritage to be allodial. * The landgraviate, from 1183/1184

Duchy of Brabant The Duchy of Brabant, a Imperial State, state of the Holy Roman Empire, was established in 1183. It developed from the Landgraviate of Brabant of 1085–1183, and formed the heart of the historic Low Countries. The Duchy comprised part of the Bu ...

, an imperial fief lifted out of the duchy of Lower Lotharingia from about 1085/1086. It included also the advocacy of all ecclesiastic institutions within the landgraviate. * The Margraviate of Antwerp, a traditional administrative fief of the former Dukes of Lower Lotharingia. * The advocacy over the abbey of Nivelles, an imperial fief. * The advocacy over the abbey of Gembloux.

References

{{reflist Lothier, Duchy Lothier, Duchy Dukes of Lower Lorraine States and territories established in 1190 States and territories disestablished in 1796 1796 disestablishments Henry VI, Holy Roman Emperor