[Frances]'s son, [Hugh] had two kids: [Marie] and [Johnson]. [Marie] and [Johnson] were siblings, and best-friends.
('Frances', 'Marie')
[Frances]'s son, [Hugh] had two kids: [Marie] and [Johnson]. [Marie] and [Johnson] were siblings, and best-friends.
[{('Frances', 'granddaughter', 'Marie'): [('Frances', 'son', 'Hugh'), ('Hugh', 'daughter', 'Marie')]}, {('Hugh', 'daughter', 'Marie'): [('Hugh', 'son', 'Johnson'), ('Johnson', 'sister', 'Marie')]}]
['son', 'son', 'sister']