[James] and [Frances]'s daughter, [Cindy], had to leave dinner early because her son, [Wayne] was sick.
('Frances', 'Wayne')
[James] and [Frances]'s daughter, [Cindy], had to leave dinner early because her son, [Wayne] was sick.
[{('Frances', 'grandson', 'Wayne'): [('Frances', 'husband', 'James'), ('James', 'grandson', 'Wayne')]}, {('James', 'grandson', 'Wayne'): [('James', 'daughter', 'Cindy'), ('Cindy', 'son', 'Wayne')]}]
['husband', 'daughter', 'son']