 Its treasury also held relics of Saint John Chrysostom and other Church Fathers, saints and martyrs.Over the years the church acquired huge amounts of gold, silver and gems donated by the faithful.Emperor Basil I renovated and probably enlarged the church, and in 874 the remains of the historian and patriarch Nikephoros I of Constantinople, who had died earlier in the century, were reinterred in the popular and rebuilt church, where they became the site of annual imperial devotion.