They became hebrews when Abram crossed over the Jordan. Before the covenant between God and Abram basically all were Gentiles. So When Abram entered into the covenant of God, And the Hebrew nation was born, then the gentiles could be grafted into the family of Abram through his seed which came Jesus.
Only by ethnicity.
The brothers are Jews! That is a fact.
"Hebrew" is not a race, but a language that is a "cousin" of Aramaic, and can be traced to Old Canaanite.
There is no indication of their ethnicity.
Jews.
Jews (75%).See:Israelis by ethnicity
European Jews
Jews come in all genders, just like non-Jews do. Gender has nothing to do with ethnicity or religion.
European Jews
Jews are composed of people of a variety of different races (physically) but are of one historical ethnicity and are of a unified historical character.
In ethnicity yes. But other ethnic religions that are Semetic. This includes Islam too.
Croatian jews who come in 17 century and most of them convert to romancatholic