yes
Woody Woodpecker's nephew and niece are named Knothead and Splinter .
"My wife's niece or nephew" Hi, in simple words, you could say it's your niece or nephew too; not necessary to be your wife's niece or nephew.
either your niece's husband, or your nephew, or your nephew in law, etc
Niece is to nephew as sister is to brother.
Niece would be an opposite as a niece is female and a nephew is male.
Your nephew's sister is your niece.
Chris Neil has nieces called Makayla, Taylor and Lauren and a nephew named Brayden.
There shouldn't be any ramifications. The niece and nephew are not issue and the will should easily take precedence.
Your brother's or sister's son is your nephew. Your nephew's or niece's child is your grand-nephew or grand-niece.
A niece or nephew is the child of an aunt's or uncle's brother or sister. So the parents of the aunt/uncle and of the niece's/nephew's parents are the same people - their grandparents. The grandmother of the aunt or uncle is the great grandparent of the niece or nephew.
The male counterpart of a niece is a nephew.
If you have a niece or nephew, it is their daughter.