Matteo Giovanetti

He is often thought to have belonged to the Simone Martini school due to some similarities of style, although there is no evidence that the two ever met.

He was summoned to Avignon by pope Clement VI to decorate the Palais des Papes there.

The middle register depicts nine scenes in four panels:[5] Christ's appearance to Martial in Poitiers and the martyrdom of Saints Peter and Paul, the ordination of Aurelian of Limoges and the creation of thirteen churches in Gaul, the appearance of Christ to proclaim the death of Martial, the offering to Martial made by St. Valerie of his head and then his death, the funeral procession and healing the sick with his shroud.

Located under Saint-Martial, the latter, with an entrance from the north, is accessible from the hall of the Consistory, with single-storey cloister built by Pope Benedict XII.

The story itself begins from the upper register, the vaults being dedicated to the presentation of parents of two saints.