As an expatriate resident, if you meet the sponsorship conditions you can sponsor your wife and children. You just need to justify your marital relationship so that your wife and children obtain their visa. For this, as an expatriate resident, you must present an authenticated marriage certificate either in English or Arabic. For another language, your marriage certificate should be translated either into English or Arabic by a translator. This translator should be sworn. With this legal proof of your marital relationship your wife and children will easily obtain their visa .