Your sister's aunt's husband's son's wife is your which relation ?

Your

Sister's

Aunt's

Husband's

Son's

Wife

is your COUSIN IN LAW !!

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

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

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

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

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

What relation is your mother's husband's sister's uncle to you ?