An investigation is underway after the wrong body was cremated during a service at Birtley crematorium.
Two people have been sacked by Co-operative Funeralcare after they found that they had breached procedures.
More top news
Callum Young, who will now be 23, was last seen on August 27 last year at his home in Hylton Road.
Gunner Paul Ferguson was on leave from the Army when he died in the early hours of Sunday August 21.
Dutch International Darryl Janmaat left for Watford, USA's DeAndre Yedlin arrived from Spurs and Tim Krul left for a season's loan at Ajax.