Yes, for a nephew is sister's son, brother's son, wife's brother's son, wife's sister's son, husband's brother's son, husband's sister's son
nephew
If your sister had a son, then he is your nephew.
My sister's son is my nephew.
Your son will be a nephew to your brother, and will call him "Uncle".
You call him your nephew. (pronouced nes-few)
your great nephew
The son of your brother is your "nephew".
The son of your brother is your "nephew".
Nephew
Nephew.
Nephew...
nephew