[Chris] and his sister [Pamela] went with his father [Wesley] and uncle [Hugh] to the flea market to look for some bargains.
('Hugh', 'Pamela')
[Chris] and his sister [Pamela] went with his father [Wesley] and uncle [Hugh] to the flea market to look for some bargains.
[{('Hugh', 'niece', 'Pamela'): [('Hugh', 'brother', 'Wesley'), ('Wesley', 'daughter', 'Pamela')]}, {('Wesley', 'daughter', 'Pamela'): [('Wesley', 'son', 'Chris'), ('Chris', 'sister', 'Pamela')]}]
['brother', 'son', 'sister']