Your brother's sister's uncle's son's aunt is your which relation ?

Your

Brother's

Sister's

Uncle's

Son's

Aunt

is your AUNT !!

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

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

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

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

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

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