The English language has no special name for a nephew's wife and does not consider you to be related to you. You would simply call her "my nephew's wife."
Your wife's nephew is your nephew and his son is your wife's, and your, great nephew.
Freds wife is supportive of he husband (Scrooges nephew) but sees that the old man is making life more difficult for himself and in part is sorry for the unrepentant old miser
The English language has no relationship name for the wife of your great niece or great nephew.
Your wife's nephew is also your nephew. His daughter is your (and your wife's) great niece.
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."
There is no specific term in the English language to describe a relationship between you and your nephew's wife. Most people would say you are not related. If you must use some phrase, the phrase "my nephew's wife" is probably the clearest and most direct.
Ebenezer Scrooge's family consisted of his deceased sister, Fan, who was his only sibling, and her son, Fred, who was Scrooge's nephew. Scrooge had a strained relationship with his family members due to his focus on wealth and lack of compassion.
If your sister-in-law is married to your brother or sister, her nephew may be your nephew.Otherwise her nephew is not blood related to you, But he is related by marriage to you and he is stort of newphew in law.
The English language does not have a specific term for the wife of your nephew. If referring to her other than by name, you would simply call her "my nephew's wife" or, if you want to be more distant, "my great nephew's mother." It is quite normal to describe her as your niece. All of the foregoing answer is simply pussyfooting.
The nephew of a wife and the nephew of her husband are not considered to be related to each other. However, both are nephews of the wife and the husband, and the wife and husband are aunt and uncle to both nephews.
She is never referred to be name simply as Scrooges Niece, Fred's wife of when spoken of by Fred he will use the term "Darling"