Justinian was a 1,875 GRT cargo ship that was built in 1940 by Nobiskrug Werft, Rendsburg for a Norwegian owner. She was seized on completion, renamed Karl Christian Lohse and used by a German company. She was seized by the Allies in May 1945 at Flensburg, passed to the Ministry of War Transport (MoWT) and renamed Empire Conningbeg.