@abc.abstractmethod<EOL><INDENT>def has_parent_families(self, family_id):<DEDENT>
return<EOL>
Tests if the ``Family`` has any parents.

        :param family_id: the ``Id`` of a family
        :type family_id: ``osid.id.Id``
        :return: ``true`` if the family has parents, ``false`` otherwise
        :rtype: ``boolean``
        :raise: ``NotFound`` -- ``family_id`` is not found
        :raise: ``NullArgument`` -- ``family_id`` is ``null``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``PermissionDenied`` -- authorization failure

        *compliance: mandatory -- This method must be implemented.*