[Brandon] is going to visit his wife, [Marie]'s father, [Hugh], with his sister in law, [Evangeline].
('Brandon', 'Hugh')
[Brandon] is going to visit his wife, [Marie]'s father, [Hugh], with his sister in law, [Evangeline].
[{('Brandon', 'father-in-law', 'Hugh'): [('Brandon', 'wife', 'Marie'), ('Marie', 'father', 'Hugh')]}, {('Marie', 'father', 'Hugh'): [('Marie', 'sister', 'Evangeline'), ('Evangeline', 'father', 'Hugh')]}]
['wife', 'sister', 'father']