[Wesley], his brother [Joshua], with his mother [Frances], and [Frances]'s husband [James] went on a ski trip together for the winter holiday.
('James', 'Wesley')
[Wesley], his brother [Joshua], with his mother [Frances], and [Frances]'s husband [James] went on a ski trip together for the winter holiday.
[{('James', 'son', 'Wesley'): [('James', 'wife', 'Frances'), ('Frances', 'son', 'Wesley')]}, {('Frances', 'son', 'Wesley'): [('Frances', 'son', 'Joshua'), ('Joshua', 'brother', 'Wesley')]}]
['wife', 'son', 'brother']