[Jacob] and [Louise] are married. [Nancy] loved to care for her newborn child [Jacob].
('Nancy', 'Louise')
[Nancy] loved to care for her newborn child [Jacob]. [Jacob] and [Louise] are married.
[{('Nancy', 'daughter-in-law', 'Louise'): [('Nancy', 'son', 'Jacob'), ('Jacob', 'wife', 'Louise')]}]
['son', 'wife']