If the certificate is for an inheritance case
In Dubai, inheritance certificates are issued by the Inheritance Court of Dubai Courts, and requests can be made online. The court will usually ask for the death certificate to be attested and, if it isn't in Arabic, legally translated by a translator registered with the Ministry of Justice (MOJ).
We can prepare those documents and guide you through the heirship certificate application. We're not a law firm, though, and we don't advise on how an estate should be divided or represent anyone in court; for that, please speak to a licensed advocate.