[1] His father was Pierre Adrien de Maud'huy, Battalion Chief in the Napoleon III Imperial Guard and his mother was Thérèse Joséphine Olry.

[3] A British liaison officer described how de Maud'huy encouraged a French deserter on the way to execution, telling the condemned man that his death would strengthen the army by deterring other would-be deserters and thus, "Yours also is a way of dying for France.

As a result of this, he was promoted to Divisional General, became a Commander of the Legion of Honour for his courage and was considered a specialist of night attacks.

Then the French Tenth Army attacked the advancing German forces on 1 October, initially experiencing success until they reached the town of Douai.

With the liberation of Metz in November 1918, Marshal Foch appointed him its Military Governor.