Gerard (c. 1040 – September 3, 1120), variously surnamed Tum, Tune, Tenque or Thom, is accredited as the founder of the Knights Hospitaller which is currently divided into the Military and Hospitaller Order of St. Lazarus of Jerusalem, the Order of the Knights of St. John of Jerusalem and the Order of Malta, as well as numerous other groups who trace their descent and/or inspiration to the original Hospitaller's order.