Your brother's daughter is your niece, her daughter is your great niece and her granddaughter is your great great niece.
It works the same for nephew, aunt, and uncle.
The son or daughter of one of your siblings children is your great niece or great nephew. In other words, the grandson or granddaughter of your brother or sister is your great niece or great nephew.
You would be a neice or nephew, neice if a girl and nephew if a guy.
The child of your nephew is your great nephew (if a son) or your great niece (if a daughter).
Your grandniece is the granddaughter of your brother or sister, and the daughter of your niece or nephew. Your grandnephew is the grandson of your brother or sister, and the son of your niece or nephew.
Your niece and nephew.
Your brother's or sister's son is your nephew. Your nephew's or niece's child is your grand-nephew or grand-niece.
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.
The male counterpart of a niece is a nephew.
If you have a niece or nephew, it is their daughter.
The son or daughter of one of your siblings children is your great niece or great nephew. In other words, the grandson or granddaughter of your brother or sister is your great niece or great nephew.
They are first cousins once removed.
sisterNo it would be Niece is to Nephew as Sister is to Brother. Niece and sister are both female, nephew and brother are both male.
you would be the child's great aunty or uncle Therefore, they would be your great niece or nephew.
Niece would be an opposite as a niece is female and a nephew is male.
There is no "opposite" of a nephew, unless you say that since a nephew is male, the opposite is a niece, who is female.