ClassA{ List classB }
ClassB{ List classC }
ClassC{ *not anymore* }

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
    <class name="entities.ClassA table="CLASSA">
        <id name="id" column="CLASSA_ID" type="long">
            <generator class="increment"/>
        </id>
        <property name="name" column="CLASSA_NAME" type="string"/>
        <property name="age" column="AGE" type="integer"/>
        <property name="gender" column="GENDER" type="string"/>
        <list name="classB" table="CLASSB">
            <key column="CLASSB_ID" />
            <list-index column="POSITION" />           
            <!-- Second List inside of the ClassB Class -->
            <!--<list name="classC" table="CLASSC">
                <key column="CLASSC_ID" />
                <list-index column="POSITION" />
                <one-to-many class="entities.CLASSC" />
            </list>
            -->
            <!-- Second List inside of the ClassB Class -->
        </list>
    </class>
</hibernate-mapping>