Your aunt's cousin's son's sister's grandfather is your which relation ?

Your

Aunt's

Cousin's

Son's

Sister's

Grandfather

is your GRANDUNCLE !!

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

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

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

What relation is your aunt's sister's uncle's daughter's father to you ?

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

What relation is your sister's father's daughter's uncle to you ?