Family members praise Dr Kamlesh Kumar Masson and Laura Tanner, who both died this month.
The bodies of the nationals were discovered by emergency services at an industrial estate in Grays on October 23 last year.
Eamonn Harrison has been granted permission to appeal against his extradition to the UK.
Police investigating the discovery of 39 bodies in a lorry trailer in Essex have arrested two more people.
Police have begun to move the bodies of the 39 Chinese Nationals found in a refrigerated trailer attached to a lorry in Essex.
Police have established that all 39 people discovered dead in the trailer of a lorry in Essex were Chinese nationals.
40 people were evacuated from their Essex homes last night after a wood yard went up in flames in Grays