Your aunt's brother's daughter's mother's brother+in+law is your which relation ?

Your

Aunt's

Brother's

Daughter's

Mother's

Brother in law

is your UNCLE !!

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

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

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

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

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

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