 French-backed Austrian opponents included the Ottomans, the Venetian Republic, Transylvanian rebels, and Sweden.Spain and Austria financed Huguenot rebellions in South-Western France, and the 1648 to 1653 civil war known as the Fronde.They also backed conspiracies led by the feudal lords who resented their loss of power under Richelieu and Cardinal Mazarin; the most significant included the 1632 Montmorency plot, the 1641 Princes des Paix rising, and Cinq-Mars in 1642.