Gyz Zempln, born on October 17, 1879 in Nagykanizsa (a medium-sized city in Zala County), Hungary, was the Hungarian father of Gyz and Joln.
Gyozo Zemplen was born in the town of Nagykanizsa, Hungary. Gyozo Zemplen (17 October 1879  29 June 1916) was a Hungarian physicist who worked in the fields of hydrodynamics and the kinetic theory of gases. Nagykanizsa (Hungarian pronunciation: [nckni, or just Kanizsa; Croatian: Velika Kaniza/Velika Kanjiza, or just Kaniza/Kanjiza; German: Grokirchen, Gro-Kanizsa; Italian: Canissa; Slovene: Velika Kaniza; Turkish: Kanije) is a medium-sized city in Zala County in southwestern Hungary. Gyozo, Jolan 
