Your grand daughter.
The bible says Adam had other sons and daughters, so they came from there.
Great Grand daughter.
Your sister's daughter is your niece, her granddaughter is your "great niece"... or you could just call her by name.
Your sister's daughter is your niece, her granddaughter is your "great niece"... or you could just call her by name.
Your uncle's daughter is your cousin
She is your Great Neice.
daughter...daughter in law.
You would call your daughter's son by his name ex: Hi Jack.
Your brother's daughter would be your niece. So she would call you Aunt/Uncle
you can call him your nephew if you are mom's daughter's sibling or if you will be the mom you can call him your grandson.
The daughter of your husband's brother is his (and your) niece. Her daughter is his (and your) great niece.
If she is your sisters daughter then she is your neice :)