- Jules comes from the Roman "oulos", whole, in the natural state.
- The names of Julius and Julianus were very common in Rome. The Roman emperor Julius Caesar (101-144) left some traces of his occupation of Gaul, including his first name. Several saints bore this name, including a pope, Jules 1st, from 337 to 352, recognized as one of the greatest popes of the first centuries.
- His birthday: April 12th.
- More about Jules