You can add a new person with the name "Sophie Wrobel Eleni Kosta, Mohamed Bourimi Rafael Gim&\#233;nez Simon Scerri", or you can "Sophie Wrobel Eleni Kosta, Mohamed Bourimi Rafael Gim&\#233;nez Simon Scerri" with a person entry that is so far only been referred to by another name (such as a former name or an alias name).