Charles Eugene, 2nd Duke of Arenberg

Charles Eugene, 2nd Duke of Arenberg (1633–1681), a Knight of the Order of the Golden Fleece since 1678, became 2nd Duke of Arenberg in 1674 on the death of his half-brother Philippe François, 1st Duke of Arenberg.

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.

He married Marie-Henriette de Cusance, marquise de Varambon in 1660.

Their two sons Philippe Charles François, 3rd Duke of Arenberg and Alexandre, fell in battle in 1691 and 1683 respectively.

[citation needed] He was Grand-Baillif and Capitaine-Général of Hainaut.