[Amy] and her mother [Ashley] were trying to decide what to buy her son [Milton] for Christmas.
('Ashley', 'Milton')
[Amy] and her mother [Ashley] were trying to decide what to buy her son [Milton] for Christmas.
[{('Ashley', 'grandson', 'Milton'): [('Ashley', 'daughter', 'Amy'), ('Amy', 'son', 'Milton')]}]
['daughter', 'son']