Robert IV, Count of Nassau
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Rupert IV of Nassau, german: Ruprecht IV. von Nassau (died after 1 January 1239),Dek (1970). was Count of County of Nassau, Nassau. He later became a Knight of the Teutonic Order.


Life

Rupert IV was the second son of Count Walram I, Count of Nassau, Walram I of NassauCawley.Vorsterman van Oyen (1882). and a certain Kunigunde, possibly a daughter of a count of County of Sponheim, Sponheim or a daughter of Poppo II, Count of Schwalmstadt, Ziegenhain. Rupert is mentioned for the first time in a charter dated 20 March 1198, together with his mother and his brother Henry II, Count of Nassau, Henry II. This mention means that he and his brother were of age at that time, that is to say, they had reached the age of 12. Rupert is mentioned as count of Nassau between 1198 and 1230. He reigned with his brother Henry. Rupert's father had received the ''Königshof'' Wiesbaden from Emperor Frederick I, Holy Roman Emperor, Frederick I in reward for his support of the emperor in the conflicts of 1170–1180.Reuling. The Nassau possessions in this area were expanded around 1214 when Rupert's brother Henry received the Imperial Vogtship (''Reichsvogtei'') over Wiesbaden and the surrounding ''Königssondergau'', which he held as fiefdoms. About the year 1200, Rupert, together with his brother Henry, began building Wiesbaden-Sonnenberg, Sonnenberg Castle on a spur of Spitzkippel peak in the Taunus above Wiesbaden. This was intended for protection against the Archbishop of Archbishopric of Mainz, Mainz and its vassals, the Lords of Eppstein, who held the lands bordering Wiesbaden. However, the cathedral chapter of Mainz Cathedral, St. Martin's Cathedral in Mainz claimed Sonnenberg as their own. To settle the dispute, Nassau paid 30 Marks to the cathedral chapter in 1221 to acquire the land of Sonnenberg Castle. They were also forced to recognize the sovereignty of the Archbishops of Mainz over Sonnenberg, taking the castle as a fief of Mainz. Rupert is mentioned as a Knight of the Teutonic Order in 1230. Rupert died after January 1, 1239, and bequeathed his legacy to the Order. This would eventually lead to conflict between the House of Nassau and the Order.


Marriage and children

Rupert married before 11 December 1215Cawley quotes from a charter dated 11 December 1215, in which ''‘Heinricus und Roppertus comites de Nassovva’'' with the consent of ''‘uxorum nostrarum Methildis et Gertrudis’'' bought property from Mainz cathedral. From this can be concluded that Rupert and Gertrud were already married on 11 December 1215. All genealogies however state that the marriage took place "before 1221". to Gertrud (died ca. 1222), possibly a daughter of the Count of Langgöns, Cleeberg. From this marriage no children are known.


Sources

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References


External links


Die territoriale Entwicklung Nassaus
by Ulrich Reuling. . Retrieved on 2009-01-26.



Retrieved on 2009-01-31. {{DEFAULTSORT:Rupert 04, Count of Nassau Counts of Nassau 12th-century people of the Holy Roman Empire 13th-century people of the Holy Roman Empire Year of birth unknown Year of death unknown 13th-century deaths