Career
The original title had been awarded on 6 June 1644, by Habsburg Emperor Ferdinand III, Holy Roman Emperor, making the principality of Arenberg a dukedom of the Austrian Empire. Their two sons Philippe Charles François, 3rd Duke of Arenberg and Alexandre, fell in battle in 1691 and 1683 respectively. He was Grand-Bailli and Capitaine-Général of Hainaut.
He is a remote ancestor of King Philippe of Belgium, Grand Duke Henri of Luxembourg, and Princess Michael of Kent.