[James] does not like being around his uncle, [Nicholas]'s, company. [Dale] went to pick up his son [James] from the baseball practice.
('Dale', 'Nicholas')
[Dale] went to pick up his son [James] from the baseball practice. [James] does not like being around his uncle, [Nicholas]'s, company.
[{('Dale', 'brother', 'Nicholas'): [('Dale', 'son', 'James'), ('James', 'uncle', 'Nicholas')]}]
['son', 'uncle']