When [Frances] and her husband [James] had their son [Hugh] it was a great day in the family. That's why when [Hugh]'s wife gave birth to their son [Brandon] it was another great day.
('James', 'Brandon')
When [Frances] and her husband [James] had their son [Hugh] it was a great day in the family. That's why when [Hugh]'s wife gave birth to their son [Brandon] it was another great day.
[{('James', 'grandson', 'Brandon'): [('James', 'son', 'Hugh'), ('Hugh', 'son', 'Brandon')]}, {('James', 'son', 'Hugh'): [('James', 'wife', 'Frances'), ('Frances', 'son', 'Hugh')]}]
['wife', 'son', 'son']