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

Your

Brother's

Cousin's

Father in law's

Son's

Uncle

is your UNCLE !!

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

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

What relation is your aunt's cousin's son's grandfather to you ?

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

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

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