Your brother's (or your sister's) son is your nephew and you are his aunt if you are a female or his uncle if you are a male.
The son of your brother or sister is your nephew. If you are male you are his uncle and if you are female you are his aunt.
That is their last name.
Bastet had a twin sister Called Sekhmet who later on had a son called Maahes but she did not have any brothers
basiclly there called brothers .-.-.-.-.-.-. basically* for one... and two no, they wouldn't be called brothers. If it was their parents sons then yeah, but if it's the sons of brothers then they'd be cousins. That's practically like saying one brother got married and had a son, then the other did too and had a son as well. The relation of the sons would be cousins.
my brother doesn't have a son.
The son of these 2 gods was horus in mythology though they were also brothers and sister(confusing, but this was caused by the so-called hosts)
Your son would be the uncle of his brother's son.
Your aunt's son is your first cousin. Their daughter would be a first cousin once removed.
the son would be the nephew
He had three brothers; he was the oldest son.
The son(s) of your parents.