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The county of Bregenz is recorded as part of the Holy Roman Empire between 1043 and 1160. It was in possession of the Udalriching family, who took the titles of counts of Bregenz.
After 1160, Bregenz fell to the counts of Montfort-Bregenz (1160 to 1338), a cadet branch of the counts of Montfort, Montfort-Tettnang-Bregenz (1354 to 1451). After 1451 the title of count of Bregenz was held by the House of Habsburg and Bregenz was incorporated into the duchy of Austria. The nominal title of count of Bregenz was kept as part of the grand title of the Emperor of Austria until 1918.