[Francisco] attended his daughter [Natasha]'s wedding. [Wayne] who is [Francisco]'s son was also there. [Natasha] who is [Frances]'s granddaughter could not make it.
('Frances', 'Wayne')
[Francisco] attended his daughter [Natasha]'s wedding. [Wayne] who is [Francisco]'s son was also there. [Natasha] who is [Frances]'s granddaughter could not make it.
[{('Frances', 'grandson', 'Wayne'): [('Frances', 'granddaughter', 'Natasha'), ('Natasha', 'brother', 'Wayne')]}, {('Natasha', 'brother', 'Wayne'): [('Natasha', 'father', 'Francisco'), ('Francisco', 'son', 'Wayne')]}]
['granddaughter', 'father', 'son']