Your 2nd cousin's daughter is your 2nd cousin once removed.
They are second cousins
You are second cousins once removed.
Your daughter's daughter is your grand daughter. Your nephew's daughter is the granddaughter of your sibling (your brother or sister) The grandchildren of siblings are second cousins.
The daughter of a First Cousin is a First Cousin Once Removed. The daughter of a Second Cousin is a Second Cousin Once Removed The daughter of any kind of cousin Once Removed is the same kind of cousin Twice removed.
Second cousins
Your sister's daughter and your son are first cousins to each other. Your sister's daughter and your son's daughter are first cousins, once removed to each other. Your son's daughter and your sister's granddaughter are second cousins to each other.
Your daughter and your second cousin are second cousins once removed to each other.
Your daughter's daughter is your grand daughter. Your nephew's daughter is the granddaughter of your sibling (your brother or sister) The grandchildren of siblings are second cousins.
No, your cousin's daughter is your cousin, once removed. So your first cousin's daughter is your first cousin, once removed, and your second cousin's daughter is your second cousin, once removed.
If your cousin is your 1st cousin then the daughter would be your 2nd cousin. Sorry, WRONG-OOO. YOUR COUSIN'S DAUGHTER IS YOUR FIRST COUSIN, ONCE REMOVED. Your children and your cousin's children would be second cousins.
Your daughter and your uncle's great great grandson are second cousins, three times removed.
Your niece and your daughter are first cousins. Your daughter and the daughter of your niece are first Cousins, once removed.