[April] went to the NFL game with her husband, [Douglas], and her mother, [Lillian].
('Douglas', 'Lillian')
[April] went to the NFL game with her husband, [Douglas], and her mother, [Lillian].
[{('Douglas', 'mother-in-law', 'Lillian'): [('Douglas', 'wife', 'April'), ('April', 'mother', 'Lillian')]}]
['wife', 'mother']