Question: What is the birthdate of this Anglo-Irish soldier and statesman who was one of the leading military and political figures of the 19th-century Britain, and for which Jean Victor de Constant Rebecque countermanded the order of him to evacuate Dutch troops? 
Sentence (from "Jean Victor de Constant Rebecque"): As chief-of-staff of the Netherlands Mobile Army he countermanded the order of the Duke of Wellington to evacuate Dutch troops from Quatre Bras on the eve of the Battle of Quatre Bras, thereby preventing Marshal Michel Ney from occupying that strategic crossroads.
Relevant evidence: Yes