Your nephew's sister is your niece. Her son is your great nephew.
Your nephew's sister might not be related to you if she is the child of a second marriage in which your sibling was not one of the parents. In that case, she is your nephew's half-sister and her son is not related to you either.
Everyone is a second cousin to someone, but your niece's son is your great nephew, not your second cousin.
Your niece's son and your grandchild are second cousins to each other.
No. Your first cousin and your nephew are first cousins once removed to each other. Your nephew (or your child) and the child of your first cousin are second cousins to each other.
Of course, just a different kind of cousin. Your first cousin's son is your first cousin, once removed.
Your niece's son is your great nephew.
Your son and your nephew are first cousins to each other. Your son's daughter and your nephew are first cousins once removed.
Your son and your nephew are First Cousins. The children of your nephew and the children of your son are Second Cousins to each other.
Your son and your grand niece are first cousins, once removed. Explanation: Find the common ancestor, in this case, your parents. Your parents have two children, you and your sister or brother. Your sister or brother has a son or daughter. This child would be your nephew or niece and your son's 1st cousin. A daughter of your nephew or niece is your grand-niece, thus your son's 1st cousin once removed. Note: Your grand-niece and your son's child would be 2nd cousins. Hierarchy: 1. Any people 2. sons and daughters are siblings to each other 3. grandchildren are first cousins to each other 4. great-grandchildren are second cousins to each other
Your nephew and your daughter are first cousins to each other. Your nephew's son and your daughter are first cousins, once removed. Your nephew's son and your daughter's child would be second cousins to each other.
Your daughter and your nephew are first cousins to each other. Your daughter and your nephew's son are first cousins, once removed, to each other.
Your son's child and your nephew are second cousins.
You are the grand uncle to any children your nephew or niece have.They would be your grand nephew or grand niece.If the children of your nephew/niece have children of their own, you'd be a great uncle too.
Your daughter and your sister's son are first cousins to each other.
You son and your niece are first cousins. Your son and your niece's son are first cousins, once removed.
Your nephew and your daughter are first cousins to each other.Your nephew's son and your daughter are first cousins, once removed, to each other.
cousins.
Your nephew is your brother's or your sister's son. Your first cousin is also your brother's and your sister's first cousin. Your nephew and your first cousin are therefore first cousins, once removed, to each other. If your first cousin has a child, that child and your nephew are second cousins to each other.