People who commissioned medieval and Renaissance art were often depicted in so-called donor portraits.
The church also features donor portraits of Kaloyan and his wife Desislava.
The two donor portraits included in the fresco, one figure kneeling on either side of the archway, have not been positively identified.
In more elaborate versions angels, saints, and donor portraits can be present.
The two donor portraits show the unknown donors kneeling behind a cordonata.
Nothing is known about the lost right hand panel; it may have contained another religious scene or a donor portrait.
On the northern wall, there is a donor portrait of Therianos, his wife and children.
The panels frequently included commissioned donor portraits, often of husbands and their wives.
The faithful turn to him for grace, kneeling, with a donor portrait at far left, of a man in black with a ruff.
In some works donor portraits were included in the scene.