Select the relation and press Add Button.

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

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

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

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

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

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