[Francisco] was so happy that his son [Pete] and his daughter [Wilhelmina] would both get to see [Wilhelmina]'s grandmother [Frances].
('Francisco', 'Frances')
[Francisco] was so happy that his son [Pete] and his daughter [Wilhelmina] would both get to see [Wilhelmina]'s grandmother [Frances].
[{('Francisco', 'mother', 'Frances'): [('Francisco', 'daughter', 'Wilhelmina'), ('Wilhelmina', 'grandmother', 'Frances')]}, {('Francisco', 'daughter', 'Wilhelmina'): [('Francisco', 'son', 'Pete'), ('Pete', 'sister', 'Wilhelmina')]}]
['son', 'sister', 'grandmother']