/**
* @hibernate.class
*/
public class Person {
}

/**
* @hibernate.class
*/
public class Organisation {

  /**
   * @hibernate.set cascade="all" lazy="true" inverse="true"
   * @hibernate.collection-key column="organisationId"
   * @hibernate.collection-one-to-many class="Person"
   */
  public Set getEmployees() {
  }
}

/**
* @hibernate.class
*/
public class ConceptOrganisation {
 
    /**
     * @hibernate.component class="Organisation"
     */
  public Organisation getOrganisation() {
  }
}


Hibernate mapping file of conceptorganisation:

<hibernate-mapping>
    <class name="ConceptOrganization">
        <id name="id" column="id" type="java.lang.Long">
            <generator class="native" />
        </id>

        <component name="organisation" class="Organisation">

            <set name="employees">
                <key column="organizationId" />
                <one-to-many class="Person" />
            </set>
        </component>
   </class>
</hibernate-mapping>