@utilities.remove_null_proxy_kwarg<EOL><INDENT>@utilities.arguments_not_none<EOL>def get_relationship_admin_session_for_family(self, family_id):<DEDENT>
if not self.supports_relationship_admin():<EOL><INDENT>raise errors.Unimplemented()<EOL><DEDENT>return sessions.RelationshipAdminSession(family_id, runtime=self._runtime)<EOL>
Gets the ``OsidSession`` associated with the relationship administration service for the given family.

        arg:    family_id (osid.id.Id): the ``Id`` of the ``Family``
        return: (osid.relationship.RelationshipAdminSession) - a
                ``RelationshipAdminSession``
        raise:  NotFound - no family found by the given ``Id``
        raise:  NullArgument - ``family_id`` is ``null``
        raise:  OperationFailed - unable to complete request
        raise:  Unimplemented - ``supports_relationship_admin()`` or
                ``supports_visible_federation()`` is ``false``
        *compliance: optional -- This method must be implemented if
        ``supports_relationship_admin()`` and
        ``supports_visible_federation()`` are ``true``*