It is always very very hard to tell if someone are having a sexual relationship. Most of time it is impossible to know. The only way to know is in watching and observing them very carefully. Or to ask one or both of them.
a nephew's kid to his aunt's kids would be their cousin.
You're a Great Aunt to your nephew's son, who is your great nephew.
You are your nephew's uncle, or aunt, and his son's great uncle, or great aunt. Your nephew's son is your great nephew.
He is her nephew, and she is his aunt.
You Aunt is you grandson's Great-Great Aunt. Your grandson is your Aunt's Great-Great Nephew.
Your niece's son is your great nephew. You are his great aunt or great uncle.
You are your great nephew's great uncle or great aunt, depending on your sex.
He is your nephew And you are his Aunt
Aunt and nephew
Great aunt or uncle.
Your nephew's grand son is your great great nephew and you are his great great uncle (or aunt)
Yes, your wife's nephew is your nephew because you are his uncle.The aunt and uncle relationship is different from many other family relationships because you can become an aunt or uncle simply by marrying someone whose sibling has a child.Your parent's brother is your uncle and his wife is always your aunt, even though you have no genetic relationship. She is not your aunt-in-law.