Jean de Mailly's chronicle, written around 1250, contains the first mention of an unnamed female pope, and it inspired several more accounts over the next several years. The most popular and influential version is that interpolated into Martin of Opava's "Chronicon Pontificum et Imperatorum", later in the 13th century. Martin introduced details that the female pope's birth name was John Anglicus of Mainz, that she reigned in the 9th century, and that she entered the church to follow her lover. The legend was generally accepted as true until the 16th century, when a widespread debate among Catholic and Protestant writers called the story into question; various writers noted the implausibly long gap between Joan's supposed lifetime and her first appearance in texts. Protestant scholar David Blondel ultimately demonstrated the impossibility of the story. Pope Joan is now widely considered fictional, though the legend remains influential in cultural depictions.