[David]'s mom, [Marie] got ready for the party. [James] has two young children, a son named [Joshua] and a daughter named [David].
('Marie', 'Joshua')
[David]'s mom, [Marie] got ready for the party. [James] has two young children, a son named [Joshua] and a daughter named [David].
[{('Marie', 'uncle', 'Joshua'): [('Marie', 'mother', 'David'), ('David', 'brother', 'Joshua')]}, {('David', 'brother', 'Joshua'): [('David', 'father', 'James'), ('James', 'son', 'Joshua')]}]
['mother', 'father', 'son']