Select the relation and press Add Button.

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

What relation is your son's sister's grandmother's husband to you ?

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

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

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

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