A son
Your brother's daughters are your nieces
Your brother's daughters are your nieces
He has 5 children, all of the daughters have the same 1 brother.
5, because each daughter has the same brother
they have 7 daughters
Nieces.
Yes, you and your great grandfather's brother's daughters are all descended from your great-great grandparents. Your great grandfather's brother is your great great uncle. His daughters are your grandfather's first cousins and your first cousins, twice removed.
Your brother's sons are called your nephews, and his daughters are called your nieces. Collectively, you can refer to them as your nieces and nephews. If you want to be more specific, you can say "my brother's children" as a general term.
would it be a brother in law? not sure about this one! Is it your husband/wifes daughters brother?
would it be a brother in law? not sure about this one! Is it your husband/wifes daughters brother?
If there are 6 daughters and each daughter has one brother, that means there are 6 brothers. 6 daughters and 6 brothers = 12 children by using addition.
They are cousins-in-law and are not related in any way by blood.