« Reply #11 on: Friday 06 August 21 15:34 BST (UK) »
I just call mine my nephews and nieces but now they have children. Am I old? 
My mum's great nieces and nephews now have children. She has 6 nieces and nephews, 12 greats and 8 great greats.
Campbell, Dunn, Dickson, Fell, Forest, Norie, Pratt, Somerville, Thompson, Tyler among others