Saint Francis of Assisi didn't promise obedience to Antipopes
Rule of Saint Francis of Assisi, chapter 1: “Brother Francis promises obedience and reverence to Lord Pope Honorius and his canonically elected successors, and to the Roman Church.”
Rule of Saint Francis of Assisi, chapter 1: “Brother Francis promises obedience and reverence to Lord Pope Honorius and his canonically elected successors, and to the Roman Church.”