Your brother's aunt's sister's grandfather's wife is your which relation ?

Your

Brother's

Aunt's

Sister's

Grandfather's

Wife

is your GRANDMOTHER !!

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

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

What relation is your cousin's mother's daughter's uncle to you ?

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

What relation is your sister's uncle's son's grandfather to you ?

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