Reginarids
| House of Reginar | |
|---|---|
 Armorial of Reginar |
|
| Country | Duchy of Lower Lorraine, Duchy of Brabant |
| Titles | |
| Founded | 770 |
| Founder | Gilbert, 1st Count of the Maasgau |
| Final ruler | Joanna, Duchess of Brabant |
| Cadet branches |
House of Brabant-Aiseau House of Hesse House of Percy (until 1610) |
The House of Reginar (later known as the House of Brabant) was a kin-group in Lotharingia during the Carolingian and Ottonian centuries. They were the first dynasty of the County of Hainault and they supplied two Dukes of Lorraine and the Landgraves and later Dukes of Brabant, Dukes of Lothier and Dukes of Limburg. The main branch extinguished in 1355, leaving its duchies to the House of Luxembourg which in turn left them to the House of Valois-Burgundy in 1383. It includes the House of Hesse which ruled Hesse from 1264 until 1918 and still exists today.
Their eldest ancestor is Gilbert, Count of the Maasgau (mentioned in 841) who served King Lothair I, but defected to Lothair's half-brother Charles the Bald during the civil war of 840–843. In 846 Gilbert abducted an unnamed daughter of Lothair and married her in an attempt to force Lothair to reinstate him. Reginar, Duke of Lorraine (c. 850–916) is believed to be Gilbert's son. Following the death of Charles the Fat, the Reginarids began a long fight with the Conradines for supremacy in Lotharingia. When they triumphed, in 910, it was in electing Charles the Simple as king. It was the combined forces of Bruno I of Lorraine and the Carolingians of West Francia that finally broke the Reginarids' hold on power. In 958, Reginar III had his lands confiscated and redistributed to Gerard, Count of Metz, of the Matfridings, enemies of his family since the reign of Zwentibold.
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