[Martha]'s sister, [Lois], does not get along very well with [Martha]'s son, [Franklin].
('Lois', 'Franklin')
[Martha]'s sister, [Lois], does not get along very well with [Martha]'s son, [Franklin].
[{('Lois', 'nephew', 'Franklin'): [('Lois', 'sister', 'Martha'), ('Martha', 'son', 'Franklin')]}]