Saints Basilissa, Celsus, Julian, and Marcianilla
Basilica of Saint Paul Outside the Walls, Rome
The adults shown here are St. Julian (half-seen on the left), St. Marcianilla (center), and St. Basilissa. The boy is Marcianilla's son, St. Celsus, chained to St. Julian.
More of these saints
Photographed at the site by Richard Stracke, shared under Attribution-NonCommercial-ShareAlike license.