[Louis]'s brother [Pedro] and sister [Tracy] threw a party for [Pedro]'s son, [Jerome]. [Harold] decided to take his daughter [Tracy] to Disneyworld.
('Harold', 'Jerome')
[Harold] decided to take his daughter [Tracy] to Disneyworld. [Louis]'s brother [Pedro] and sister [Tracy] threw a party for [Pedro]'s son, [Jerome].
[{('Harold', 'grandson', 'Jerome'): [('Harold', 'son', 'Pedro'), ('Pedro', 'son', 'Jerome')]}, {('Harold', 'son', 'Pedro'): [('Harold', 'daughter', 'Tracy'), ('Tracy', 'brother', 'Pedro')]}, {('Tracy', 'brother', 'Pedro'): [('Tracy', 'brother', 'Louis'), ('Louis', 'brother', 'Pedro')]}]
['daughter', 'brother', 'brother', 'son']