Basilica of Saint Praxedes (Santa Prassede)

This church is one of the oldest Rome. It dates back to 780 . It houses the relics of martyrs Saint Praxedes and Saint Pudentiana the daughters of Saint Pudens, traditionally St. Peter's first Christian convert in Rome. 

Pope Paschal, who reigned 817-824  commissioned lots of mosaics.

These mosaics below are from the n the Chapel of Saint Zeno, a funerary chapel which Pope Paschal built for his mother, Theodora,^[