My sister's son is my nephew.
nephews!
she would be your grandmals sisters sons daughter =)
YesThe son and his sister = 1 son, 1 sisterThe sons and their sister = many sons, 1 sisterThe son and his sisters = 1 son, many sistersThe sons and their sisters = many sons, many sistersThough in reality this is a strange way to say it. More normal would be "The sons and daughters".
What family members your is fathers mothers daughters sons sisters
You can refer to your sister's children as your nieces and nephews. If your sister has daughters, they are your nieces, and if she has sons, they are your nephews. Collectively, you can call them your nieces and nephews or simply refer to them as your sister's kids.
4 daughters, 3 sons.
You do you call your sons's son your "grandson" !
Nieces are the daughters of your brothers and sisters. Nephews are the sons of your brothers and sisters.
Your sister's son is your nephew His sons are your grandnephews, and his daughters are your grandnieces.
Your sister's son is your nephew His sons are your grandnephews, and his daughters are your grandnieces.
you call your parents sisters aunty
cousin