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

Your

Mother's

Sister's

Nephew's

Father in law's

Son

is your COUSIN !!

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

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

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

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

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

What relation is your mother's son's aunt's sister's brother's son in law to you ?