cousin
Nephew...
cousin!
You wold call them your brothers sons. Hope this helps :)
Your nephew?
That would be your Cousin.
errrr, no maybe nephew
nephew!
cousin
In the English language, your sister's son is your nephew, regardless of whether your sister is older or younger than you are. All children of your siblings are either your nephew (if a boy) or a your niece (if a girl).
Your father's brother's son is your first cousin and your daughter's second cousin.
The daughter of your brother is your niece.
Brothers and sisters have I none But that man's father is my father's son. (Who is that man?)