[Lillian] brought her son [John] and her father [Clarence] with her to the local swap-meet to hunt for nice antiques.
('Clarence', 'John')
[Lillian] brought her son [John] and her father [Clarence] with her to the local swap-meet to hunt for nice antiques.
[{('Clarence', 'grandson', 'John'): [('Clarence', 'daughter', 'Lillian'), ('Lillian', 'son', 'John')]}]
['daughter', 'son']