Your dad is uncle to your cousin, and your cousin is niece or nephew to your dad..
Your dad's first cousin is your first cousin once removed. Your dad's first cousin's children are your second cousins. Your dad's second cousin is your second cousin, once removed. Your dad's second cousin's children are your third cousins.
Your dad's second cousin's child is your third cousin.
Your dad's 2nd cousin is your 2nd cousin once removed.
Your dad's second cousin's son is your third cousin.
Your dad's first cousins child is your second cousin. Your dad's first cousin's grand child is your second cousin, once removed.
2nd cousin, but if it's your Dad's 2nd cousin... then your relationship with that cousin would be a 3rd cousin.
2nd cousin
He's your cousin
She would be your 2nd cousin.
It is your cousin, i think.
Your cousin.
Your dad's cousin would be your cousin, once removed. The 'once removed' means that there is a generation difference between you and your dad's cousin. Your granddad's cousin would be your cousin, twice removed. The 'twice removed' means there are two generations difference between you and your granddad's cousin.