Your father's sister's brother+in+law's son is your which relation ?

Your

Father's

Sister's

Brother in law's

Son

is your COUSIN !!

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

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

What relation is your mother's husband's wife's son's grandmother's grandson to you ?

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

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

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