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