Your niece's child is your great niece if she is a girl, or your great nephew if he is a boy.
My niece
Second cousins.
Cousins
They are 2nd cousins.
No. An adoption proceeding is between a particular child and a particular adopted parent. The relationship cannot be transferred to another person.
Your granddaughters and son have the relationship of nieces and uncle. Your granddaughters being his nieces and your son being their uncle.
niece's - something that belongs to a niece. nieces' - something that belongs to multiple neices. nieces - plural form of neice. person who asked this question - an incredibly dumb person.
Your daughters are great aunties if their nieces have kids. Your daughters kids are your grand children.
He is their Uncle and they are nieces and nephews.
The word nieces' is the plural possessive form of the word niece (a female child of your brother or sister). Example sentence: Both of my nieces' birthdays are in May.
Your daughter and your niece's child are 1st cousins once removed.
Your brother's child's children are your grandnieces or grandnephews.
Your brother-in-law's children are your nephews and nieces.