def get_family_record(self, family_record_type=None):
if not self.has_record_type():<EOL><INDENT>raise IllegalState()<EOL><DEDENT>else:  <EOL><INDENT>raise Unimplemented()<EOL><DEDENT>
Gets the famly record corresponding to the given ``Family`` record ``Type``.

        This method is used to retrieve an object implementing the
        requested record. The ``family_record_type`` may be the ``Type``
        returned in ``get_record_types()`` or any of its parents in a
        ``Type`` hierarchy where ``has_record_type(family_record_type)``
        is ``true`` .

        arg:    family_record_type (osid.type.Type): the type of family
                record to retrieve
        return: (osid.relationship.records.FamilyRecord) - the family
                record
        raise:  NullArgument - ``family_record_type`` is ``null``
        raise:  OperationFailed - unable to complete request
        raise:  PermissionDenied - authorization failure occurred
        raise:  Unsupported - ``has_record_type(family_record_type)`` is
                ``false``
        *compliance: mandatory -- This method must be implemented.*