The name Zrinka is derived from a noble family name Zrinski. Most famous of them being Petar Zrinski, or in Hungarian Zrínyi Péter. A member of the Zrinski noble family, he was noted for his role in the attempted Croatian-Hungarian rebellion of 1664-1670 which ultimately led to his execution for high treason. [noted -ed]Find out more here: https://en.wikipedia.org/wiki/Petar_Zrinski
Find out more here: https://en.wikipedia.org/wiki/Petar_Zrinski