Your aunt's sister's grandmother's grandson's brother+in+law is your which relation ?

Your

Aunt's

Sister's

Grandmother's

Grandson's

Brother in law

is your BROTHER IN LAW !!

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

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

What relation is your wife's daughter's grandmother's brother to you ?

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

What relation is your father's sister's nephew's father in law's son to you ?

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