You can add a new person with the name "Shey, Njikang Christina Senge Tanyi | Therese Mugah Shalloh Tchombe | Patrick Fonyuy", or you can "Shey, Njikang Christina Senge Tanyi | Therese Mugah Shalloh Tchombe | Patrick Fonyuy" with a person entry that is so far only been referred to by another name (such as a former name or an alias name).