[Marie]'s son, [Allan], came over to her house for dinner. [Ronald], [Allan]'s brother, came too. [Ronald] went to pick up his uncle from the airport with his uncle's wife [Dorothy]. [Dorothy] is married to Thomas and when she was 24, the couple welcomed [Cheryl] into the world.
('Marie', 'Cheryl')
[Marie]'s son, [Allan], came over to her house for dinner. [Ronald], [Allan]'s brother, came too. [Ronald] went to pick up his uncle from the airport with his uncle's wife [Dorothy]. [Dorothy] is married to Thomas and when she was 24, the couple welcomed [Cheryl] into the world.
[{('Marie', 'niece', 'Cheryl'): [('Marie', 'sister', 'Dorothy'), ('Dorothy', 'daughter', 'Cheryl')]}, {('Marie', 'sister', 'Dorothy'): [('Marie', 'son', 'Ronald'), ('Ronald', 'aunt', 'Dorothy')]}, {('Marie', 'son', 'Ronald'): [('Marie', 'son', 'Allan'), ('Allan', 'brother', 'Ronald')]}]
['son', 'brother', 'aunt', 'daughter']