grandmother
The relation of the mother;s sister to daughter is niece-aunts.
You would use "mothers" for two, as it is a plural noun.
Your mother's mother would be your grandmother.
Aunt Aunty Auntie
When referring to more than one mother, the correct form is "mothers." If you want to indicate possession by multiple mothers, you would use "mothers'." The form "mother's" is singular possessive, indicating something that belongs to one mother.
Mother's grandson as regards her daughter is either her (daughter's) son or her (daughter's) nephew.
Your mother's mother is your grandmother.
Your mothers sister is your Aunt
Your mother's sister's husband's sister is your aunt's sister-in-law, but is not related to you. Here's why: Your mother's sister is your aunt. The sister of a woman's husband would be her sister-in-law. In this case the woman is your aunt. So your mother's sister's husband's sister would be your aunt's sister-in-law.
yes they are very protective mothers like all mothers
Maternal refers to mother. Paternal refers to father. So the maternal mother would be the mothers mother and the paternal mother would be the fathers mother.
Maternal refers to mother. Paternal refers to father. So the maternal mother would be the mothers mother and the paternal mother would be the fathers mother.