Trained in the law, he taught at the University of Paris, France. Mercedarian secular knight in Valencia, Spain. Assigned to Granada, Spain where he worked to ransom Christians held prisoner by the Moors, and encourage Christians who were about to renounce their faith in fear. Beaten and murdered by Moors for his work. Martyr.
- “Blessed Giustino of Paris“. CatholicSaints.Info. 29 August 2014. Web. 29 March 2017. <>