The is no record I could find of his ever being a contestant, possibly because the name is misspelled, but no devid or Heumer is listed in the Jeopardy archive of past games.
The Jeopardy Archive does not list him as a contestant
1964
The cast of Cleo Bachelor of the Year 2012 - 2012 includes: Timomatic as Himself - Contestant Jesinta Campbell as Herself - Host Ryan Corr as Himself - Contestant Lachlan Cosgrove as Himself - Contestant Tai Hara as himself Nathan Jolliffe as Himself - Contestant Jules Lund as Himself - Host Hayden Quinn as Himself - Contestant Johnny Ruffo as Himself - Contestant Andy Trieu as Himself - Contestant
The cast of Cleo Bachelor of the Year 2000 - 2000 includes: Dominic Bowden as himself Kurt Brunton Paul Buchanan Armi Chand James Crossan John Glass Matt Hart Carlos Hofmann Hugo McCallum Jiwan Prasad Julian Roborgh Roger Solly Glen Stollery
The related site has the record of jeopardy questions and can be seached
No, she has never been a contestant on The X Factor.
Failing a class in his senior year will place his college scholarship in jeopardy. Police officers put their lives in jeopardy when approaching armed suspects.
The Jeopardy Teen Tournament was first aired in 1987. Links from Wikipedia on the Jeopardy and Jeopardy Teen Tournaments have been added under related links below the answer for more detailed information.
1984
Stacey Soloman is a contestant on this year's X Factor and she is now in the final!
Paige Thomas is a 21-year-old X Factor contestant who has a three year old daughter.
The show also called Jep was cancelled and doesn't air