[Frances] and her husband, [James], went for a walk. [Wesley], [James]'s son, tagged along. [Wesley] and his son [Chris] went to the store to by bread.
('Frances', 'Chris')
[Frances] and her husband, [James], went for a walk. [Wesley], [James]'s son, tagged along. [Wesley] and his son [Chris] went to the store to by bread.
[{('Frances', 'grandson', 'Chris'): [('Frances', 'husband', 'James'), ('James', 'grandson', 'Chris')]}, {('James', 'grandson', 'Chris'): [('James', 'son', 'Wesley'), ('Wesley', 'son', 'Chris')]}]
['husband', 'son', 'son']