He entered into the service of France .
Pierre d'Alcantara Charles , was born on 2 October 1790 as 3rd son of Louis Engelbert , 6th Duke of Arenberg .
Pierre d'Alcantara Charles entered into the service of France .
Pierre d'Alcantara Charles , was born on 2 October 1790 as 3rd son of Louis Engelbert , 6th Duke of Arenberg .