What Is The Child Of Your Niece Called?
What Is The Child Of Your Niece Called? a daughter of one’s nephew or niece; grandniece. What do you call nieces and nephews children? The children of your grandnephew are your great-grandnieces or great-grandnephews. Some people call their great-grandnieces or great-grandnephews their great-great-nieces or great-great-nephews. Your children are the cousins of your nieces and nephews.