Career
Uriel was one of ten children of Hans von Gemmingen (1431–1487). In 1510, he was entangled in the Pfefferkorn controversy, after Johannes Pfefferkorn seized and desired to burn Jewish books Gemmingen and the consultant Johannes Reuchlin assigned by him did not see a danger to the Christian faith in the writings used by Jews.
On 10 May 1513 he appointed the Jewish physician Beyfuss the rabbi over all Jews in the Mainzer state.
The argument over the book went beyond Uriel"s death in 1514, not ultimately settled until 1520. He is supposed to have killed a cellar master in anger shortly before his own reputed death after catching the man stealing wine.
Rumors suggested that he may have then faked his own death, and that the body buried in Mainz Cathedral was instead that of the cellar master, with Uriel afterwards fleeing to Italy where he died years later. However the tomb was reopened in 1724, where a corpse was found with the expected adornments of an archbishop.
The matter is still considered unsettled.