[Frances]'s daughter, [Lynn], asked her mom to read her a story. [Lynn] and her husband, [Joshua], went for a walk. [Don], [Joshua]'s son, tagged along.
('Frances', 'Don')
[Frances]'s daughter, [Lynn], asked her mom to read her a story. [Lynn] and her husband, [Joshua], went for a walk. [Don], [Joshua]'s son, tagged along.
[{('Frances', 'grandson', 'Don'): [('Frances', 'daughter', 'Lynn'), ('Lynn', 'son', 'Don')]}, {('Lynn', 'son', 'Don'): [('Lynn', 'husband', 'Joshua'), ('Joshua', 'son', 'Don')]}]
['daughter', 'husband', 'son']