Your brother's son is your nephew and you would be their aunt if you are a female and their uncle if you are a male.
cousin
Alludu
Your father's brother's son is your first cousin and your daughter's second cousin.
Your Step-brother. If he isn't your brother but he is your father's son, he's you.
your
Your son will be a nephew to your brother, and will call him "Uncle".
the father, the elder brother,the servants.
your 5th cousin
The son of your brother is your "nephew".
The son of your brother is your "nephew".
cousin!
Your cousin.