page_title: Alt-Regensberg Castle
section_title: House of Regensberg
hierarchical_section_title: Alt-Regensberg Castle / House of Regensberg
caption_attribution_description: Replik des Grabsteins von Ulrich von Regensberg in Regensberg (Switzerland)
context_page_description: Alt-Regensberg Castle is a hill castle which was built about the mid-11th century AD by the House of Regensberg in the Swiss municipality of Regensdorf in the Canton of Zürich.
context_section_description: Around 1050 Alt-Regensberg was built and it became the ancestral castle of the Regensburg family. The heartland of the Regensberg possessions was in the Furt, Surb and Wehntal valleys besides the Lägern chain. Other assets and rights were in the Limmat and Reppisch valleys, in Zürcher Oberland, in the Pfannenstiel area, also sporadically in the present Thurgau and north of the Rhein river and on Bodensee lake shore. The house's significant position founded on marriage relations with the noble houses of Kyburg, Rapperswil-Habsburg-Laufenburg, Neuchâtel and Pfirt. Two monastic foundations date back to the House of Regensberg: Around 1130 Lütold II and his wife Judenta and his son Lütold III founded the Fahr Abbey, and with the foundation of Rüti Abbey in 1206 the family probably secured lands of the first extinction of the Alt-Rapperswil family around 1192. Shortly after the founding of the town of Grüningen, Lütold VI established a private service nobility from the 1240s, and to the middle of the century, he founded the town of Regensberg and the new ancestral seat Neu-Regensberg and the small town of Glanzenberg. The Regensberger feud against the Habsburgs and the neighbouring city of Zürich in 1267/68 lead to the decline of the family that became extinct between 1302 and 1331.
caption: Replic of the gravestone of Ulrich I von Regensberg at the Neu-Regensberg Castle.[7][8]
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