Your father's brother's child is your cousin. A first cousin is anyone who shares one or more common grandparents with you.
There is no relationship in the English language that is called a "half cousin." Everyone who is your cousin is related to you through one and only one parent, so, unlike a "half brother" there can be no such thing as a "half cousin." If you have a first cousin (child of your aunt or uncle), then your child and that first cousin are first cousins once removed. If you have a second cousin, they your child and that second cousin are second cousins once removed.
Your father's niece is your first cousin. Her son is your first cousin, once removed.
Your mother's nephew is your First Cousin.
Your uncle's daughter is your first cousin. In the English language, it does not matter whether the uncle is a maternal uncle or a paternal uncle. All the children of your aunts and uncles are your first cousins.
The child of you father's first cousin is your second cousin.
Your First Cousin's child is your first cousin, once removed.
The child of your first cousin is your first cousin, once removed.The child of your second cousin is your second cousin, once removed.And so forth.
The child of your first cousin is your first cousin, once removed. The child of your second cousin is your second cousin, once removed.
Your cousin! =) (Or by his/her first name =P)Your uncle's child is your cousin
Your cousin's brother is also your cousin. His child is your cousin once removed. For example, if your first cousin has a child, that child is your first cousin, once removed. If your third cousin has a child, the child is your third cousin, once removed.
Your first cousin's child is your first cousin, once removed, whether in Mexico, the US of Russia.
The children of your first cousin are your first cousins, once removed.
The child of your father's first cousin is your second cousin
You would usually call the children of your husband's first cous by their name. They are not related to you. If you need to refer to them in a general sense, you might call them your husband's first cousins once removed.Yuor husband's first cousin's child is related to you children as a second cousin.
Your first cousin's children are your first cousins, once removed. Your second cousin's children are your second cousins, once removed.
The son of your father's first cousin is your 2nd cousin. The son of your father's 2nd cousin in your 3rd cousin.