You will be his aunt.
Your first cousin is your son's first cousin, once removed. Since that cousin's sister has the same parents, her relationship to your son is the same - first cousin, once removed.
Your mother's first cousin's son is your second cousin. Her first cousin's son's son (her first cousin's grandson) is your second cousin, once removed.
That would be your second cousin.
Your first cousin's son is your first cousin, once removed. Your second cousin's son is your second cousin, once removed.
cousin because your cousins son is your 2 cousin
The name given to the son of your aunt is first cousin or simply cousin.
The son of your father's first cousin is your second cousin .
He is your cousin
Your cousin's son is your cousin, once removed. For example, if your cousin is a second cousin, the son is your second cousin, once removed.
Your first cousin is your son's first cousin, once removed.
Your mother's first cousin's son is your second cousin. Your mother's second cousin's son is your third cousin. And so forth.
Your son and your 1st cousin's child are 2nd cousins.