 In the sixteenth century this account re-appeared, extended and elaborated, in its most complete form in the Jesuit historian Juan de Mariana.He wrote that in 1055 at the Council of Florence, the Emperor Henry III urged Victor II to prohibit under severe penalties the use of the imperial title by Ferdinand of León.This story is generally regarded as apocryphal, although some modern authors have accepted it uncritically or seen a kernel of historical truth in it.