children = models.ManyToManyField('Child', related_name='parent')


class Child(models.Model):
    name = models.CharField(max_length=80)
toys = models.ManyToManyField('Toy', related_name='owner')


class Toy(models.Model):
    name = models.CharField(max_length=80)
Django ORM way of going through multiple Many-to-Many relationship