He is married to Jeanne Marie Henriette Develter.
They got married on August 4, 1928 at Coudekerque-Branche, Arrondissement de Dunkerque, Noorderdepartement, Nord-Pas-de-Calais, Frankrijk, he was 32 years old.Source 2
FamilySearch: Family Tree
Ernest Octave Ardaen
Birth 22 September 1895
Spouse Jeanne Marie Henriette Develter
Lead confidence: 5
https://www.familysearch.org/tree/person/GZ2R-5VV