Your aunt's brother+in+law's brother's son's daughter is your which relation ?

Your

Aunt's

Brother in law's

Brother's

Son's

Daughter

is your NIECE !!

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

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

What relation is your mother's husband's daughter's grandfather to you ?

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

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

What relation is your daughter's grandmother's sister's niece to you ?