If your brother-in-law is the brother of your spouse, hisbrother is also your brother-in-law. The daughter is your spouse's niece and therefore your niece as well.
If your brother-in-law is the husband of your sister, his brother is not related to you, as the cultures based on the English language define family connections, but is your sister's brother-in-law. His daughter is also not related to you but is your sister's niece by virtue of her marriage to your brother-in-law, who is the daughter's uncle.
She is your Great Neice.
The daughter of your husband's brother is his (and your) niece. Her daughter is his (and your) great niece.
She is your Great Neice.
The daughter of your husband's brother is his (and your) niece. Her daughter is his (and your) great niece.
Great- grandmother.
great grandma
Your grandfather's brother's granddaughter is your second cousin.
brother's daughter relation
Your brother-in-law's daughter is your niece.
The daughter of your husband's brother is your niece.
Your grandmother's sisters are your Great Aunts.
Gram? is that her grandmother if it is then it is your great grandmother