Том Робинсон

A university accounting professor said Wednesday he was satisfied with a second DNA test that shows he is not a direct descendant of Mongolian warlord Genghis Khan after an initial exam revealed a possible genetic connection.

Tom Robinson, 48, said a test done on his DNA sample by Family Tree DNA in Houston showed that he matched some genetic markers with Genghis Khan but a direct line to the Mongol royal house was not likely.

"A marker that they tested showed that I was on a different branch of the tree than Genghis Khan was on," said Robinson. "He and I have a common ancestor, but I'm not …