Your sister's brother's cousin's wife is your which relation ?

Your

Sister's

Brother's

Cousin's

Wife

is your COUSIN IN LAW !!

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

What relation is your aunt's niece's sister's father in law to you ?

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

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

What relation is your aunt's niece's sister's daughter in law to you ?

What relation is your brother's grandmother's grandson's mother to you ?