Yes, I have the revision number, but the forEntitiesAtRevision query returns all entities that exist at this revision. And for all of these entities I want to have the revision information of their last change. I solved it this way:

        AuditReader reader = AuditReaderFactory.get(em);

        // query for revision number and revision type of each entity

        AuditQuery q = reader

                .createQuery()

                .forEntitiesAtRevision(entityClass, revisionNumber)

                .addProjection(AuditEntity.revisionNumber())

                .addProjection(AuditEntity.revisionType())

                .add(AuditEntity.relatedId(relatedEntityName).eq(

                        relatedEntityId));

        List<Object[]> revisionNumberAndType = q.getResultList();

        // query for the entities

        q = reader

                .createQuery()

                .forEntitiesAtRevision(entityClass, revisionNumber)

                .add(AuditEntity.relatedId(relatedEntityName).eq(

                        relatedEntityId));

        //

        List<A> entities = q.getResultList();

        List<Object[]> result = new ArrayList<Object[]>(entities.size());

        for (int i = 0, size = entities.size(); i < size; i++) {

            Object[] o = new Object[3];

            o[0] = entities.get(i);

            o[1] = reader.findRevision(AuditRevisionEntity.class,

                    (Number) revisionNumberAndType.get(i)[0]);

            o[2] = revisionNumberAndType.get(i)[1];

            result.add(o);

        }

Each element in the result list is an Object[] with three elements, the entity, its revision entity and the revision type. Is their an easier way to get this?

No, the revision entities are different because the entities have changed at different times.