[Ashley]'s husband, [Clarence], and her son [Nicholas] went fishing last weekend.
('Clarence', 'Nicholas')
[Ashley]'s husband, [Clarence], and her son [Nicholas] went fishing last weekend.
[{('Clarence', 'son', 'Nicholas'): [('Clarence', 'wife', 'Ashley'), ('Ashley', 'son', 'Nicholas')]}]
['wife', 'son']