Hello Robert,
According to MS406 ( ed. Avions 1998)
#379 (coded N-797) : GC 1/2 (EM) Lost due to air combat on april 7 1940 (Cpt Vidal KIA)
#615 (coded L-554) : GC 1/2 2eme escadrille, damaged 11 may 1940 (pilot Sgt Chef Givelet),Atelier Réparation Armée de l'Air on may 12 1940.
According to "Invisibles Vainqueurs", Paul Martin (1991), MS406 #379 (Cpt Vidal) crashed NE from Marmoutiers (Saverne) at 15 h 10 PM after meeting Me109
Alaso see "L'escadrille des Cigognes" Cpt William Arthaud 1945.
Hope this could helps.
S. Muret
