If you're talking about Fahrenheit 451 then they hardly interact with each other. Millie is just self-centered and stubborn.
Mildred, Montag's wife, was the informant on montag's home.
Husband and wife relationship is called a marriage.
There is no relationship. She would simply be your first cousin's wife.
Your cousin's wife is not related to you.
Your wife's nephew is your nephew, but the English language has no relationship term for your nephew's wife. Just call her "my nephew's wife."
I have a great relationship with my wife.
Your wife's niece is also your niece, and her daughter is your great niece. It is to be hoped that you do not have a relationship WITH her, merely TO her.
There is no relationship, you do not share a common ancestor.
Your mother is not related to your wife's mother.
Your mother is not related to your wife's mother.
wife
She was his wife.