[Frances] and her husband [James] made a brisket for their son [Hugh]. [Hugh]'s son [Michael] does n't eat brisket.
('Frances', 'Michael')
[Frances] and her husband [James] made a brisket for their son [Hugh]. [Hugh]'s son [Michael] does n't eat brisket.
[{('Frances', 'grandson', 'Michael'): [('Frances', 'son', 'Hugh'), ('Hugh', 'son', 'Michael')]}, {('Frances', 'son', 'Hugh'): [('Frances', 'husband', 'James'), ('James', 'son', 'Hugh')]}]
['husband', 'son', 'son']