country umptestdebutyr umpire year testsumpired source article_title name
west indies 1935 true 2013 1 http://www.espncricinfo.com/westindies/content/player/51426.html cricinfo j. g. blackman
 j. g. blackman
j. g. blackman

j. g. blackman was a west indian cricket umpire .
he stood in one test match , west indies vs. england , in 1935 .
