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

Your

Uncle's

Son's

Father in law's

Brother

is your UNCLE !!

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

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

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

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

What relation is your sister's grandfather's wife's grandson's aunt to you ?

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