Jean-Marie Le Chevallier was born on November 22, 1936 in Sceaux, Hauts-de-Seine, France. He was married to Blanche Chiappe and Cendrine Chéreil de La Rivière. He died on October 30, 2020 in Vendée, France.
Thru his first wife Blanche Chiappe, he is related to the prefects Angelo and Jean Chiappe and to historian Jean-François Chiappe.
French politician member of the Front National, he was mayor of Toulon and European member of parliament for this party. He later cut his ties with Jean-Marie Le Pen.