Your great uncle's wife is your great aunt. Her nephew is either the son of one of her siblings, in which case he is not related to you, or he is the son of one of your great uncle's siblings. He could then be your father or one of your parent's brothers.
not to be complicated , but if you have an uncle--> he has a nephew--> as you can see that's not complicated . And if you ask what is a uncles NEPHEW related to an uncles grandfather. in what way ....i would say the nephew is is the great gandfathers great grandson.
I believe they would be great aunts or great uncles.
Your uncle is your child's great uncle and your grandchild's great great uncle. Your grandson is your uncles great great nephew.
The English language has no relationship name for the wife of your great niece or great nephew.
Your aunt is your child's Great Aunt, so your child is her great niece or great nephew.
Yes.
Your father's brother is your uncle. You are his niece (if you are female) or his nephew (if you are male).
Your fathers brothers are your uncles. You are their nephew, or niece.
Your uncle's nephew may be either a sibling or a cousin or yourself.
You would be his great aunt. To you he would be your great nephew.
you would be the child's great aunty or uncle Therefore, they would be your great niece or nephew.
Disowning YOUR uncles is not something that an unrelated person can do. Also while you, as their nephew or niece, can simply decide never to see or communicate with them again, there is no legal means of disowning them, they will still be YOUR uncles.