Descent of

Léopold d'Arenberg (14/10/1690-04/03/1754)		Marie Pignatelli (04/06/1696-03/05/1766)
united on 29/03/1711 at Brussels, Brussels (Bruxelles), Belgium,

Charles d'Arenberg (31/07/1721-17/08/1778)

Louise de La Marck (10/07/1730-18/08/1820)