Steven,
Came upon the following information, do noyt know if will be of use most of it I think you have regarding 50e Division

General de Division: Pechaux
General de Brigade: Mielzinski
2/3e Regt 21 officers 432 men
3/3e Regt 10 " 472 "
4/3e Regt 13 " 488 "
6/3e Regt 9 " 789 "
3/105e Regt 10 Officers 719 men
6/105e Regt 6 " 620 "

Artillery

12/9e Regt 2 Officers 90 men
6 6pdrs 2 24 pdrs howitzers
Det 4/5e (bis) Train Battalion 103 men

Attached

2/28e Regt Chasseurs a Cheval 8 officers 73 men and 101 Horses

Scource: French Archives Carton AF VI-1344

The above may shed some light

Tony