Severa and Philip are generally considered as the first Christian imperial couple, because during their reign the persecutions of Christians had ceased and the couple had become tolerant towards Christianism.
"Sanctus" is a particular example of this, as it is based on the Christian liturgy of the same name, and dominated by the choral vocals of the Rosenberg Ensemble.
In 1443 after the battle of Niš fled with George Kastrioti-Skanderbeg to the united Christian army and converted to Christianism taking the name "Vranas".