[Louise] and her husband [Jacob] are going to visit [Louise]'s mother, [Nancy].
('Jacob', 'Nancy')
[Louise] and her husband [Jacob] are going to visit [Louise]'s mother, [Nancy].
[{('Jacob', 'mother-in-law', 'Nancy'): [('Jacob', 'wife', 'Louise'), ('Louise', 'mother', 'Nancy')]}]
['wife', 'mother']