13 mentions are found for request
different sources from the year —1917 (1) 2007 (12)

Slobodan Kljak

Source: 'Encyclopaedia of Croatian Surnames , year 2007.

Đuro Zeljak

Source: 'Encyclopaedia of Croatian Surnames , year 2007.

Lovro Kljak

Source: 'Encyclopaedia of Croatian Surnames , year 2007.