[James] 'wife [Frances] went with him to a cruise. [Frances]'s daughter [Lena] stayed home and studied. [Lena] loved to care for her newborn child [Irvin].
('James', 'Irvin')
[James] 'wife [Frances] went with him to a cruise. [Frances]'s daughter [Lena] stayed home and studied. [Lena] loved to care for her newborn child [Irvin].
[{('James', 'grandson', 'Irvin'): [('James', 'daughter', 'Lena'), ('Lena', 'son', 'Irvin')]}, {('James', 'daughter', 'Lena'): [('James', 'wife', 'Frances'), ('Frances', 'daughter', 'Lena')]}]
['wife', 'daughter', 'son']