<s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/">
  <s:Body>
    <GetVersionResponse xmlns="http://tempuri.org/">
      <GetVersionResult xmlns:a="http://schemas.datacontract.org/2004/07/N3.Shared.Core" xmlns:i="http://www.w3.org/2001/XMLSchema-instance">
        <a:DatabaseVersion>ver 1</a:DatabaseVersion>
        <a:ServiceVersion>ver 2</a:ServiceVersion>
      </GetVersionResult>
    </GetVersionResponse>
  </s:Body>
</s:Envelope>

  
  NodeList := XML.DocumentElement.ChildNodes['Body'].ChildNodes[0].ChildNodes[0].ChildNodes;
  Memo1.Lines.Add('DatabaseVersion '+NodeList.Get(0).Text);
  Memo1.Lines.Add('ServiceVersion '+NodeList.Get(1).Text);

  NodeList := XML.DocumentElement.ChildNodes['Body'].ChildNodes['GetVersionResponse'].ChildNodes['GetVersionResult'].ChildNodes;
  Memo1.Lines.Add('DatabaseVersion '+NodeList.FindNode('DatabaseVersion').Text);
  Memo1.Lines.Add('ServiceVersion '+NodeList.FindNode('ServiceVersion ').Text);