What was the name of the ancient half-brother? Are they brothers or compatriots?

In ancient times, half-brothers were called siblings. In ancient times, half-brothers were still called brothers by size, and large families generally added brothers or younger brothers in family order. Brother refers to the interpersonal relationship arising from marriage or childbirth, and the blood relationship between boys born with the same father or mother.

"Consanguinity" refers to the same family or surname, and "consanguinity brothers" refer to people in the same family who are not much different in age. "Brothers and sisters" refer to children born to the same parents. Or half-brothers.

Extended data:

The maternal line and the external line are divided into the same surname: the same ancestors and different great-grandfathers are called the same surname and clan brothers.

1, brothers and sisters: the blood relationship between male offspring born to the same mother. Brothers and sisters can be half-brothers or half-brothers.

2. Cousin: the brother born to the mother's brother and younger brother.

3. Cousins: Brothers born to the mother's elder sister and younger sister.

Cousin: My father's elder sister and younger sister's brother.