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".
your great nephew
The son of your brother is your "nephew".
The son of your brother is your "nephew".
You call him your nephew. (pronouced nes-few)
Nephew.
Nephew
Nephew...
Nephew