Bloods (2010) Дњeskг©, Anglickг©, Slovenskг© T... — Blue

Frank's eldest son, a seasoned and often unorthodox detective.

The show is known by different titles across the regions you mentioned: Blue Bloods Czech (České): Spravedlnost v krvi Slovak (Slovenské): Spravodlivosť v krvi Core Premise and Characters Frank's eldest son, a seasoned and often unorthodox

Frank's father and a retired Police Commissioner. Frank's eldest son