Luchesius Modestini, founding member of the Third Order of St. Francis

Luchesius Modestini, T.O.S.F. (also Luchesio, Lucchese, Lucesio, Lucio, or Luchesius of Poggibonsi) (c. 1180 - 1260) is honored by tradition within the Franciscan Order as being, along with his wife, Buonadonna de' Segni, the first members of the Franciscan Order of Penance, most commonly referred to as the Third Order of St. Francis. His cultus was approved by the Holy See and he is honored as a Blessed by members of that Order.