覃姓(氏)http://car.blogtt.com/baijiaxing/148/参考资料:http://www.dhbc.net/datalib/2004/HundredName/DL/DL-20040217140234参考资料:http://hongdou.gxnews.com.cn/forumview.asp?td=2006&topic_id=1294443&pagenum=2