[Jeff] was at lunch with his father, [Wayne]. [Wayne]'s mother, [Ashley], showed up an hour after they were set to meet.
('Ashley', 'Jeff')
[Jeff] was at lunch with his father, [Wayne]. [Wayne]'s mother, [Ashley], showed up an hour after they were set to meet.
[{('Ashley', 'grandson', 'Jeff'): [('Ashley', 'son', 'Wayne'), ('Wayne', 'son', 'Jeff')]}]
['son', 'son']