Ulrich I von (vom) Graben () was a burgrave and knight from the Austrian Herren von Graben family
Biography Nothing is known about Ulrich's parents, but it can be assumed that he was a younger son of the Konradin line at Graben of the Lords of Graben (in and around Graz). Konrad I, Rennewart and Walther vom Graben can be seen as his (older) brothers. Three of Ulrich's sons from his marriage with Gertrud, Otto I, Ulrich II and Frederik I became ancestors of the Kornberg line of the family.Sikora, Adalbert (1960). "Die Herren vom Graben". In Zeitschrift des Historischen Vereines für Steiermark Jahrgang 51. Graz. pp. 57, 58 and 91.
Ulrich had no parental inheritance,von Valvasor, Johann Weichard Freiherr (1689). Die Ehre dess Hertzogthums Crain: das ist, Wahre, gründliche, und recht eigendliche Belegen- und Beschaffenheit dieses Römisch-Keyserlichen herrlichen Erblandes. Laybach (Ljubljana). joined like the Konradin line in the service of the powerful lords of Walsee and quickly made a large fortune there. He and his descendants also had close ties to the Rein abbey of the Konradin line.Sikora (1960), pp. 44ff and 55ff. He first appeared in 1302 as a feudal lord of the Stubenberg family (as the Konradin line did) when he received the village of Greindorf, south of Graz, as a fief from them.Joseph August Kumar: Mahlerische Streifzüge in den Umgebungen der Hauptstadt Grätz - Grätz., Kapitel XIII Rosenberg und Graben, p 284 Ulrich was also the first burgrave of Gleichenberg, who held this office between 1302 and 1324 and probably also oversaw the construction of the castle.Sikora (1960), p. 58. He also called himself Ulzo von Gleichenberg. His sons Otto, Ulrich and Frederick were also burgraves of Gleichenberg.
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