Simplify the following text for a Grade 8 native English-speaking person.
Original: He was the third-highest-ranking Nazi official tried at Nuremberg , behind Reich President ( former Admiral ) Karl DÃ nitz and former Deputy FÃ 1\/4 hrer Rudolf Hess .
Simplified: He was the third-highest-ranking Nazi official tried at Nuremberg . Only Reich President ( former GroÃ admiral ) Karl DÃ nitz and former Deputy FÃ 1\/4 hrer Rudolf Hess had higher ranks than GÃ ring .