[Joshua]'s son [Joseph] entered rehab for the ninth time at the age of thirty. [Joshua] went skiing with his brother [Hugh]. [Hugh]'s sister [Cindy] watched from the ski lodge.
('Cindy', 'Joseph')
[Joshua] went skiing with his brother [Hugh]. [Hugh]'s sister [Cindy] watched from the ski lodge. [Joshua]'s son [Joseph] entered rehab for the ninth time at the age of thirty.
[{('Cindy', 'nephew', 'Joseph'): [('Cindy', 'brother', 'Joshua'), ('Joshua', 'son', 'Joseph')]}, {('Cindy', 'brother', 'Joshua'): [('Cindy', 'brother', 'Hugh'), ('Hugh', 'brother', 'Joshua')]}]
['brother', 'brother', 'son']