You would be the Grandfather/Grandmother, so treat her sweetly.
First cousins, twice removed. Aunts daughter is your cousin. Aunts daughters daughter is cousin once removed Aunts daughters daughters daughter is cousin twice removed.
She is your niece, you are her aunt or uncle.
It Depends. Not every daughter father relationship is the same. There are daughters who hate their father. And their are some who love them because there he onlyones there for them. Everybody's different.
To your sister's daughter you are an aunt (or uncle) and she is your niece. To your niece's daughter ( your sister's granddaughter) you are a great-aunt (or great-uncle) and she is your grand-niece.
Your aunt's daughter is your first cousin.
Your son and your nephew are first cousins to each other. Their daughters are second cousins to each other.
The father's son is the uncle of the son of the father's daughter.
Technically there is no relationship. When introducing her, you would refer to her as My daughter's mother-in-law.
If I were you, I would break up with him. Not only because he doesn't like your daughter, but if you think about it; How would that effect your daughters life, and her relationship with you.
You should write daughter's if you are talking about one daughter, e.g. "it is my daughter's birthday tomorrow".You should write daughters' if you are talking about more than one daughter at the same time, e.g. "this is our daughters' bedroom, which they share".
Brian McKnight has three daughters: Briana, Myles, and Niko. Briana is his eldest daughter, followed by Myles, and Niko is his youngest daughter. He often shares moments with them on social media, highlighting their close relationship.
The correct plural possessive form for "daughter's" is "daughters'."