What is your dad's aunt's son to you?

Answer 1

If the dad's sister's aunt is also your dad's aunt, then your dad's aunt is your great aunt. However if she is not your dad's aunt, then she is your aunt's aunt and not necessarily related to you.

Answer 2

Your father's sister is your aunt. Her sister-in-law is either the wife of her brother or the sister of her husband.

The wife of your aunt's brother is either your father's wife (your mother) or another of his sisters, and thus your aunt.

The sister of your aunt's husband is not related to you.

Answer 3

The aunt of either of your parents is your great aunt.

Answer 4

Your first cousin once removed.

Answer 5

cousin

Answer 6

My mother