Jacques Houdek
KYIV, UKRAINE – MAY 10, 2017: Houdek from Croatia at the second semi-final rehearsal during Eurovision Song Contest in Kyiv, Ukraine, LightField Studios/Bigstock.com
Birth Name: Željko Houdek
Place of Birth: Zagreb, Croatia
Date of Birth: 14 April, 1981
Ethnicity: Croatian, some Czech
Jacques Houdek is a Croatian singer. He represented Croatia in the Eurovision Song Contest 2017.
He is married to Brigitte Krkač.
Source: http://eurovisionworld.com
Slovenian?
His parents are Croatian with some Czech ancestry.