Your parent's first cousin is your first cousin, once removed. Your parent's second cousin is your second cousin, once removed. Your parent's first cousin once removed may be your second cousin.
Your parents are great aunt and great uncle to the children of your first cousin.
Your grandfather's niece is a first cousin of one of your parents. Her son is your second cousin.
Your grandfather's niece is a first cousin of one of your parents. Her son is your second cousin.
Your cousin's cousin could either be your cousin or no relation at all.
Your great aunt's son is first cousin to one of your parents, and first cousin once removed to you.
Your great aunt's son is first cousin to one of your parents, and first cousin once removed to you.
Your aunt-in-law's parents would be your grandparent-in-laws.
He is of relation as a cousin-in-law.
Well, your cousin's brother is also your cousin, and a cousin's son is also your cousin.
Your cousin. You are that person's second cousin.
Your cousin-in-law.
Second cousin