Kyburg | |
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Coat of arms (mid 13th century)[1] | |
Parent house | Dillingen |
Country | Duchy of Swabia |
Founded | 1180 |
Founder | Hartmann III von Kyburg |
Final ruler | Hartmann IV von Kyburg |
Titles | Count of Kyburg |
Estate(s) | County of Kyburg |
Dissolution | 1264 |
The Kyburg family (/ˈkaɪbɜːrɡ/; German: [ˈkyːbʊʁk]; also Kiburg) was a noble family of grafen (counts) in the Duchy of Swabia, a cadet line of the counts of Dillingen, who in the late 12th and early 13th centuries ruled the County of Kyburg, corresponding to much of what is now Northeastern Switzerland.
The family was one of the four most powerful noble families in the Swiss plateau (beside the House of Habsburg, the House of Zähringen and the House of Savoy) during the 12th century. With the extinction of the Kyburg family's male line in 1264, Rudolph of Habsburg laid claim to the Kyburg lands and annexed them to the Habsburg holdings, establishing the line of "Neu-Kyburg", which was in turn extinct in 1417.