Your aunt's daughter's mother's niece's grandfather is your which relation ?

Your

Aunt's

Daughter's

Mother's

Niece's

Grandfather

is your GRANDUNCLE !!

What relation is your aunt's husband's son's daughter to you ?

What relation is your mother's brother's son's father in law to you ?

What relation is your mother's brother's son's brother in law to you ?

What relation is your cousin's father in law's daughter's son to you ?

What relation is your mother's sister's brother's daughter to you ?

What relation is your aunt's niece's sister's son to you ?