On 3 October 2016, Marc Dugain and the film crew started shooting in Belgium, specifically in the Walloon Region, including the castle of La Hulpe in the province of Walloon Brabant and Beloeil Castle in the province of Hainaut. , as well as the Flemish Region, including the castle of Gaasbeek in Pajottenland, to unfold between the Palace of Versailles and Spain.
The director's book "Intérieur jour" is a mix of souvenirs of the making of this movie, an autobiography, family history and considerations on the evolution of society.
Raphaël Ibanez de Garayo had been hired to compose the film's music but died of a heart attack before he could get to work.
Lily-Rose Depp was initially cast as Louise Elisabeth but dropped out of the film a few weeks before shooting.