Yes, your sister's daughter is your niece and you are her aunt (if you are female) or her uncle( if you are male).
Your sister's daughter is your niece. If you are a woman, you are your niece's aunt; if you are a man, you are your niece's uncle. Your sister's son is your nephew.
Your niece.Your brother's daughter would be your niece and you'd be her uncle or aunt. Your sister's daughter would also be your niece. If your sibling had a son, he would be your nephew.
Your brother or sister's daughter is called 'your niece.'
Your sister's daughter is your niece. Your niece's husband is not related to you.
Niece. Your mother has children, you and your sister. So your mother's daughter is your sister. When she has a daughter, this is your niece.
Your sister's daughter is your niece.
If he is your brother in law then his sister is your sister in law. So your sister in law's daughter would be your niece.
Your sister's daughter is your niece, her granddaughter is your "great niece"... or you could just call her by name.
bhagina
Your sister's daughter is your niece.
Your sister's daughter and your sister's brother are niece and uncle to each other. The daughter is the niece of the brother and the brother is uncle to the daughter.
Your niece is the daughter of your brother or sister.