You can add a new person with the name "|, Mukhammadjon Turgunovich Xalilov | Abdurashid Khamidillayevich Yusupov", or you can "|, Mukhammadjon Turgunovich Xalilov | Abdurashid Khamidillayevich Yusupov" with a person entry that is so far only been referred to by another name (such as a former name or an alias name).