Your brother's mother's son's aunt's niece is your which relation ?

Your

Brother's

Mother's

Son's

Aunt's

Niece

is your COUSIN !!

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

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

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

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

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

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