[Frances] was talking to her son [Wesley]. Suddenly, [Wesley]'s daughter [Tina] and her brother [Irvin] walked in the house.
('Frances', 'Irvin')
[Frances] was talking to her son [Wesley]. Suddenly, [Wesley]'s daughter [Tina] and her brother [Irvin] walked in the house.
[{('Frances', 'grandson', 'Irvin'): [('Frances', 'granddaughter', 'Tina'), ('Tina', 'brother', 'Irvin')]}, {('Frances', 'granddaughter', 'Tina'): [('Frances', 'son', 'Wesley'), ('Wesley', 'daughter', 'Tina')]}]
['son', 'daughter', 'brother']