D-EDMJ was the F22 that was involved in the mid-air in the Netherlands. The same operator had used PH-MRB for many years, until that F22 was lost in a crash on August 16th, 2012. In September 2012 they aquired D-EDMJ but just a month later, on 22th October 2012, it collided with DA40 PH-TDE during a photo-flight. See here for the details:
https://aviation-safety.net/wikibase/wiki.php?id=150310
The PH-MRB was lost after the pilot became incapacitated, see here:
https://aviation-safety.net/wikibase/wiki.php?id=147717