Translations for management in French

Here are paragraphs from public domain books translated:

“But, after all, Jeanne would not have taken the management of her fortune out of his hands!”	— Mais enfin, quoi ! Jeanne ne lui eût pas retiré la gestion de sa fortune.
The Confessions of Arsene Lupin, by Maurice Leblanc	Les Confidences d’Arsène Lupin, de Maurice Leblanc