[Lena] and her son [Irvin] went to visit her mother [Frances] on Sunday afternoon. They ate dinner and talked. [James] and his wife [Frances] got married in Spain.
('James', 'Irvin')
[James] and his wife [Frances] got married in Spain. [Lena] and her son [Irvin] went to visit her mother [Frances] on Sunday afternoon. They ate dinner and talked.
[{('James', 'grandson', 'Irvin'): [('James', 'daughter', 'Lena'), ('Lena', 'son', 'Irvin')]}, {('James', 'daughter', 'Lena'): [('James', 'wife', 'Frances'), ('Frances', 'daughter', 'Lena')]}]
['wife', 'daughter', 'son']