[Joshua] was walking with his mother, [Frances], and his daughter, [Juanita]. [Juanita]'s brother [Don] was with them, but he got distracted and he was lagging behind.
('Frances', 'Don')
[Joshua] was walking with his mother, [Frances], and his daughter, [Juanita]. [Juanita]'s brother [Don] was with them, but he got distracted and he was lagging behind.
[{('Frances', 'grandson', 'Don'): [('Frances', 'son', 'Joshua'), ('Joshua', 'son', 'Don')]}, {('Joshua', 'son', 'Don'): [('Joshua', 'daughter', 'Juanita'), ('Juanita', 'brother', 'Don')]}]
['son', 'daughter', 'brother']