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Dudo-Henry, Count of Laurenburg

German noble
The basics
Date of birth
Date of death 1123
Children: Robert I, Count of Nassau Arnold I of Laurenburg
Father: Ruprecht van Laurenberg
The details

Dudo of Laurenburg, German: Dudo von Laurenburg, Latin: Tuto de Lurinburg († before 1124), was probably count of Laurenburg and is considered the founder of the House of Nassau. The House of Nassau would become an important aristocratic family in Germany, from which are descended through females the present-day royals of the Netherlands and Luxembourg, while officially belonging to this House.


Castle of Laurenburg

Dudo was probably a son of Rupert (German: Ruprecht), the Archbishop of Mainz’s Vogt in Siegerland. Dudo is mentioned as Tuto de Lurinburg between 1093-1117. In a charter dated 1134 (after his death) he is mentioned as count of Laurenburg.

Dudo was lord or Vogt of Lipporn and Miehlen and owned large parts of the lands of Lipporn/Laurenburg. There are more persons known who, as owners of the lands of Lipporn/Laurenburg (and thus the predecessors of Dudo), probably also were his ancestors. The first is a certain Drutwin mentioned in 881 as a landowner in Prüm, and who is the oldest known possible ancestor of the House of Nassau.

Dudo built the castle of Laurenburg around 1090. In 1117, Dudo donated land to Schaffhausen Abbey for construction of a monastery in Lipporn. This monastery, built under Dudo's son Rupert I in 1126, was the Benedictine Schönau Abbey. From 1141 until her death in 1164, the abbey would be the home of St. Elizabeth of Schönau.

In 1122, Dudo received the castle of Idstein in the Taunus as a fief under the Archbishopric of Mainz. This was part of the inheritance of Count Udalrich of Idstein-Eppstein. He also received the Vogtship of the richly endowed Benedictine Bleidenstadt Abbey (in present-day Taunusstein).

Marriage and children

Dudo married the fourth of the seven daughters of count Louis I of Arnstein, possibly her name was Irmgardis or Demudis. Three children were born of this union:

  • Rupert I of Laurenburg († before 13 May 1154), mentioned as count of Laurenburg between 1124-1152.
  • Arnold I of Laurenburg († before 1154), mentioned as count of Laurenburg between 1124–1148.
  • Demudis, who married Emich, Count of Diez
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