He became a shepherd at an early age to support the family; he had a small flock of sheep and donated his earnings to the poor.

Magnus fled to Rome to escape the persecutions of Christians that were led by a man named Tarquinius.

[1] When the horses placed in the stable began to die, Musa became frightened and sold the relics to citizens from Anagni.

[1] Magnus was declared patron saint of Anagni, and was also venerated in the town of Colle San Magno, in Frosinone.

[3] The crypt of the Cattedrale di Santa Maria Annunziata in Anagni is dedicated to Magnus and decorated with frescoes of scenes from his life.