Etelka Gerster (25 June 1855, Košice – 20 August 1920, Pontecchio) was a Hungarian soprano. In 1878, she was performing in the Academy of Music where she was considered one of the leading singers of her time.
Etelka (Adelhaid) Szapáry de Szapár, Muraszombat et Széchy-Sziget (September 26, 1798 – November 10, 1876) was a Hungarian noblewoman and a member of the old noble Szapáry family. She was the second daughter of Count Péter Szapáry and Countess Júlia Csáky.
Etelka Kenéz Heka (born 26 October 1936), sometimes Etelka Heka is a Hungarian writer, poet and singer. She has three citizenships: Hungarian, Austrian and Croatian and she has got houses also in Vienna and Szeged but she lives in Hódmezővásárhely. She wrote about 90 books.
https://hu.wikipedia.org/wiki/J%C3%B3zsef_Etelka