URGENT:!!! Please help insert XML data in kSOAP envelope

Hi guys,
I have to send an XML result looking like this
<Person>
<FirstName>Smith</FirstName>
<LastName>John</LastName>
</Person>
inside a SOAP message using kSOAP.
I'm proceding as follows:
//result being a String containing the XML result
response = new SoapObject( soapReq.getNamespace( ) , name + "Response"
);
    if ( result != null )
        response.addProperty( "return", result );
    }
SoapEnvelope ResEnv = new SoapEnvelope();
    // Puts the Soap response in the envelope's body
    ResEnv.setBody(response);

The problem is that upon receipt of this Soap message, the contents of
the SOAP envelope looks something like this:
<SOAP-ENV:Envelope xmlns:xsi=
"http://www.w3.org/2001/XMLSchema-instance"
<http://www.w3.org/2001/XMLSchema-instance>  xmlns:xsd=
"http://www.w3.org/2001/XMLSchema" <http://www.w3.org/2001/XMLSchema>
xmlns:SOAP-ENC= "http://schemas.xmlsoap.org/soap/encoding/"
<http://schemas.xmlsoap.org/soap/encoding/>  xmlns:SOAP-ENV=
"http://schemas.xmlsoap.org/soap/envelope/"
<http://schemas.xmlsoap.org/soap/envelope/> >
 <SOAP-ENV:Body SOAP-ENV:encodingStyle=
"http://schemas.xmlsoap.org/soap/encoding/"
<http://schemas.xmlsoap.org/soap/encoding/> >
  <findResponse
xmlns="urn:sncf:profilekeeper:profilekeeper.ProfileKeeper" id="o0"
SOAP-ENC:root="1">
   <return xmlns="" xsi:type="xsd:string">&lt;Person&gt;
                &lt;FirstName&gt;Smith&lt;/FirstName&gt;
                &lt;LastName&gt;John&lt;/LastName&gt;
                &lt;Person&gt;
                 </return>
  </findResponse>
 </SOAP-ENV:Body>

Can anyone tell me how to avoid letting SoapObject assume all properties
to be Strings?
I'm in urgent need of help!! So I will appreciate any suggestions