A newly elected far-right lawmaker has been sued by the descendants of one of France's oldest aristocratic families for adding their name to his own.
Emmanuel Tache de la Pagerie, 47, was one of 89 National Rally (RN) MPs voted into the National Assembly on Sunday, with his official ID verified and approved by the local authorities in the southern city of Arles.
Born Emmanuel Tache in the working-class Paris suburb of Montreuil, he told Le Monde newspaper this week that he added "de la Pagerie" to his passport 30 years ago, when he worked in fashion and broadcasting, before entering politics.
"It's perfectly normal in the art and communication sectors to use a pen name or preferred name. The only restriction is that you can't pass it on to your children," Tache de la Pageries's lawyer Alexandre Varaut said in a statement.
He called the lawsuit a "political" manoeuvre, since his client's use of the name "has been public knowledge for several decades".
The male line of the Tascher de la Pagerie family died out in 1993, but three descendants sued the MP this week after learning their historic name had been appropriated.
The Tascher de La Pagerie have a number of dukes and barons in their lineage, but above all Napoleon's wife, Josephine de Beauharnais, who married him in 1796.
While not illegal under French law, the borrowed or suspect use of aristocratic surnames can be a prickly subject.
Critics of former president Valery Giscard d'Estaing sniped about his grandfather's opportunistic acquisition of the noble-sounding "de" ("of") particle, though few ever did for fellow commoner Charles de Gaulle.
It was an unwelcome dispute for Tache de la Pagerie's party days after it scored a major parliamentary breakthrough.
"We have filed a complaint to protect the family name," Frederic Pichon, a lawyer for the three women, told French news agency AFP, adding that a date for hearings would be set on 8 July.
They are seeking a symbolic one euro in damages, and a fine of 500 euros per day if Emmanuel Tache continues to use their name.
"The fact that he's in the National Rally or France Unbowed or the Republic on the Move isn't the problem," Pichon said.
He added the aristocratic name was rare and noted "a risk of confusion in the eyes of the public," even if the Tache/Tascher spellings are different.
"My clients are from Normandy but live in Paris, and are the sole heirs to have this name since the death of their father in 1993 and one of his final wishes was that his name be protected," Pichon explained.
Emmanuel Tache de la Pagerie did not respond to requests for comments, but told Le Monde that having just been elected, "I don't have time to waste on this type of stuff".