August Philipp Karl of Limburg Stirum (1721–1797), count of Limburg Stirum and Bronckhorst, was the son of Otto Leopold Count von Limburg Styrum und Bronckhorst, Lord of Gemen and Raesfeld (1688–1754) and Anna Elisabeth countess of Schönborn (1686–1757).
The full title used by the Princes of the resurrected state was "Prince of Salm-Kyrburg, Sovereign Prince of Ahaus, Bocholt and Gemen, Wildgrave of Dhaun and Kyrburg, Rhinegrave of Stein".