Braşov , Brassó) Mediasch ( Mediaş , Medgyes) Mühlbach ( Sebeş , Szászsebes) Schässburg ( Sighişoara , Segesvár)   Privileged class Along with the (largely Hungarian ) Transylvanian nobility and the Szeklers , the Transylvanian Saxons were members of the Unio Trium Nationum , or "Union of the Three Nations", signed