What nationality does the children go by father or mother?

Children typically inherit their nationality based on the laws of the countries involved, which can vary significantly. In many cases, nationality can be derived from either the father's or the mother's nationality, depending on the legal framework of the respective countries. Some countries follow a principle called jus sanguinis, where nationality is determined by parentage, while others may follow jus soli, granting nationality based on the place of birth. Ultimately, the specific nationality a child acquires depends on the laws applicable to their parents' nationalities.