Select the relation and press Add Button.

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

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

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

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

What relation is your sister's aunt's niece's father in law to you ?

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