<hibernate-mapping>
<class name="Contact" table="emp">
<id name="cId" column="c_id" type="int">
<generator class="increment"/>
</id>
<property name="firstName" column ="firstname"/>
<property name="lastName" column ="lastname"/>

<bag name="insurance" inverse="true" cascade="all,delete-orphan" table="Insurance">
<key column="c_id" not-null="true"/>
<one-to-many class="simple.Insurance"/>
</bag>
</class>

<class name="Insurance" table="Insurance">
<id name="insid" column ="InsID" type="int">
<generator class="increment"/>
</id>
<many-to-one name="cId" column="c_id"  class="simple.Contact" foreign-key="cId"/>
</class>
</hibernate-mapping>