[Lena] and her sister, [David] and her brother, [Francisco] have a very close bond. [David]'s son, [Michael] grew up being raised by all of them.
('Francisco', 'Michael')
[Lena] and her sister, [David] and her brother, [Francisco] have a very close bond. [David]'s son, [Michael] grew up being raised by all of them.
[{('Francisco', 'nephew', 'Michael'): [('Francisco', 'sister', 'David'), ('David', 'son', 'Michael')]}, {('Francisco', 'sister', 'David'): [('Francisco', 'sister', 'Lena'), ('Lena', 'sister', 'David')]}]
['sister', 'sister', 'son']