[Ashley]'s son, [Dale], came over to her house for dinner. [Wayne], [Dale]'s brother, came too.
('Ashley', 'Wayne')
[Ashley]'s son, [Dale], came over to her house for dinner. [Wayne], [Dale]'s brother, came too.
[{('Ashley', 'son', 'Wayne'): [('Ashley', 'son', 'Dale'), ('Dale', 'brother', 'Wayne')]}]
['son', 'brother']