[Belva] went to brunch with her husband [Travis] and her mother [Theresa].
('Travis', 'Theresa')
[Belva] went to brunch with her husband [Travis] and her mother [Theresa].
[{('Travis', 'mother-in-law', 'Theresa'): [('Travis', 'wife', 'Belva'), ('Belva', 'mother', 'Theresa')]}]
['wife', 'mother']