The second main protagonist of Nadia - Secret of Blue Water, Jean is a 14 year-old orphan from France who fell in love with Nadia at first sight.
Jean was born on March 28th 1875 in Le Havre, France. There is very little about Jean's past. Jean was the son of a wealthy trader and ship's captain, but was lost at sea when he was a young boy. He placed in the custody of his uncle and aunt.
At the very start of the series, Jean and his uncle arrive in Paris to enter his aircraft for the Paris Exposition via boat.
By 1902, after twelve years since after the defeat of the Neo Atleanteans and the tragic death of Captain Nemo, everyone went there separate ways. A grown-up Marie tells us that he eventually marries Nadia and have a son. They reside with his aunt and uncle in Le Harve. Jean continues to improve his inventions.
Nadia of the Mysterious Seas
Three years after the defeat of Gargoyle and Neo-Atlantis, a new threat has surfaced bent on bringing the world under his control.