The Rock has 2 nieces named Michelle and Miranda.
Rachel Carson did not have any biological children, so she did not have any nieces or nephews.
She has two nieces
Yes, he did have nieces and nephews. Three of his brothers and three of his sisters lived to maturity and together gave him more than 30 nieces and nephews.
Nieces and nephews are the children of your siblings.
Nephews and/or Nieces
No
Yes he does
They are your nieces and nephews and not your cousins
It does not appear that Thomas Jefferson had any nieces or nephews. He had a daughter, a son in law and two grandsons. He also had an aunt and a first cousin.
Nieces are the daughters of your brothers and sisters. Nephews are the sons of your brothers and sisters.
Mark Twain's nieces and nephews were the children of his siblings, which included nieces Ida, Susy, and Clara, and nephews Samuel, Frank, and Willie.
They are your grand-nephews and grand-nieces or great-nephews and great-nieces.