No. Your wife is your wife. You and your wife are your children's ancestors.
Your ancestors are your parents, grandparents, great grandparents, and so on.
There is no relationship, you do not share a common ancestor.
King david ANSWER: Ruth the wife of Boaz.
You are not related at all. The two of you do not share a common ancestor.
No. Deborah was a prophetess in Israel; the wife of Lappidoth. (Judges 4:4)
Your nephew's wife is simply your nephew's wife. There is no special term in the English language for that relationship.
It could be your son. It could be your nephew as well. It could be no relationship to you at all. The question is do you share a common ancestor? If you do not have a common ancestor, you are not related.
Your first cousin's wife is not related to you because you share no common ancestor. She is your uncle's daughter-in-law, so she is your cousin-in-law, if you want to stretch a point.
There is no relationship. You do not share a common ancestor. Your mother's cousin would be your first cousin once removed.
Normally you would call them by their name. There is not likely to be any relationship between you as you don't share a common ancestor.
You would not appear to be related at all. You do not share a common ancestor.
An ancestor.
Scientists have not identified an evolutionary ancestor to fungi.