 Oms was a francophile who favored the Bourbons in the War of the Spanish Succession.During the war, he took the part of the Duke of Anjou, the future Philip V of Spain.He it was who informed the French king that Charles had named the Duke of Anjou as his heir, with the words "Señor, desde este momento no hay Pirineos" ("Lord, from this moment there are no more Pyrenees.